Home / 83,321.76-114,984-45,595.68

Finding the Fourth Proportional to 83,321.76, 114,984 and 45,595.68

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Solution

The fourth proportional to 83,321.76, 114,984 and 45,595.68 is: 62,922.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,321.76 : 114,984 = 45,595.68 : x
  2. Step 2: Convert to fraction form
    83,321.76/114,984 = 45,595.68/x
  3. Step 3: Cross multiply
    83,321.76x = 114,984 × 45,595.68
  4. Step 4: Simplify right side
    83,321.76x = 5,242,773,669.12
  5. Step 5: Solve for x
    x = 5,242,773,669.12/83,321.76
  6. Step 6: Final answer
    x = 62,922.02

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.