Home / 83,320.11-114,977.34-45,587.07

Finding the Fourth Proportional to 83,320.11, 114,977.34 and 45,587.07

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Solution

The fourth proportional to 83,320.11, 114,977.34 and 45,587.07 is: 62,907.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,320.11 : 114,977.34 = 45,587.07 : x
  2. Step 2: Convert to fraction form
    83,320.11/114,977.34 = 45,587.07/x
  3. Step 3: Cross multiply
    83,320.11x = 114,977.34 × 45,587.07
  4. Step 4: Simplify right side
    83,320.11x = 5,241,480,046.99
  5. Step 5: Solve for x
    x = 5,241,480,046.99/83,320.11
  6. Step 6: Final answer
    x = 62,907.74

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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.