Home / 63,921.30-88,232.13-42,705.30

Finding the Fourth Proportional to 63,921.30, 88,232.13 and 42,705.30

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Solution

The fourth proportional to 63,921.30, 88,232.13 and 42,705.30 is: 58,947.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,921.30 : 88,232.13 = 42,705.30 : x
  2. Step 2: Convert to fraction form
    63,921.30/88,232.13 = 42,705.30/x
  3. Step 3: Cross multiply
    63,921.30x = 88,232.13 × 42,705.30
  4. Step 4: Simplify right side
    63,921.30x = 3,767,979,581.29
  5. Step 5: Solve for x
    x = 3,767,979,581.29/63,921.30
  6. Step 6: Final answer
    x = 58,947.17

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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.