Home / 104,713.29-157,069.21-42,382.89

Finding the Fourth Proportional to 104,713.29, 157,069.21 and 42,382.89

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Solution

The fourth proportional to 104,713.29, 157,069.21 and 42,382.89 is: 63,574.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,713.29 : 157,069.21 = 42,382.89 : x
  2. Step 2: Convert to fraction form
    104,713.29/157,069.21 = 42,382.89/x
  3. Step 3: Cross multiply
    104,713.29x = 157,069.21 × 42,382.89
  4. Step 4: Simplify right side
    104,713.29x = 6,657,047,049.82
  5. Step 5: Solve for x
    x = 6,657,047,049.82/104,713.29
  6. Step 6: Final answer
    x = 63,574.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.