Home / 83,127.60-114,703.56-47,319.12

Finding the Fourth Proportional to 83,127.60, 114,703.56 and 47,319.12

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Solution

The fourth proportional to 83,127.60, 114,703.56 and 47,319.12 is: 65,293.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,127.60 : 114,703.56 = 47,319.12 : x
  2. Step 2: Convert to fraction form
    83,127.60/114,703.56 = 47,319.12/x
  3. Step 3: Cross multiply
    83,127.60x = 114,703.56 × 47,319.12
  4. Step 4: Simplify right side
    83,127.60x = 5,427,671,520.07
  5. Step 5: Solve for x
    x = 5,427,671,520.07/83,127.60
  6. Step 6: Final answer
    x = 65,293.25

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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.