Home / 56,507.92-77,984.12-34,159.12

Finding the Fourth Proportional to 56,507.92, 77,984.12 and 34,159.12

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Solution

The fourth proportional to 56,507.92, 77,984.12 and 34,159.12 is: 47,141.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,507.92 : 77,984.12 = 34,159.12 : x
  2. Step 2: Convert to fraction form
    56,507.92/77,984.12 = 34,159.12/x
  3. Step 3: Cross multiply
    56,507.92x = 77,984.12 × 34,159.12
  4. Step 4: Simplify right side
    56,507.92x = 2,663,868,913.17
  5. Step 5: Solve for x
    x = 2,663,868,913.17/56,507.92
  6. Step 6: Final answer
    x = 47,141.51

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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.