Home / 82,140.32-113,344.12-46,330.92

Finding the Fourth Proportional to 82,140.32, 113,344.12 and 46,330.92

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Solution

The fourth proportional to 82,140.32, 113,344.12 and 46,330.92 is: 63,931.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,140.32 : 113,344.12 = 46,330.92 : x
  2. Step 2: Convert to fraction form
    82,140.32/113,344.12 = 46,330.92/x
  3. Step 3: Cross multiply
    82,140.32x = 113,344.12 × 46,330.92
  4. Step 4: Simplify right side
    82,140.32x = 5,251,337,839.14
  5. Step 5: Solve for x
    x = 5,251,337,839.14/82,140.32
  6. Step 6: Final answer
    x = 63,931.31

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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.