Home / 104,713.30-157,069.20-42,382.90

Finding the Fourth Proportional to 104,713.30, 157,069.20 and 42,382.90

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Solution

The fourth proportional to 104,713.30, 157,069.20 and 42,382.90 is: 63,574.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,713.30 : 157,069.20 = 42,382.90 : x
  2. Step 2: Convert to fraction form
    104,713.30/157,069.20 = 42,382.90/x
  3. Step 3: Cross multiply
    104,713.30x = 157,069.20 × 42,382.90
  4. Step 4: Simplify right side
    104,713.30x = 6,657,048,196.68
  5. Step 5: Solve for x
    x = 6,657,048,196.68/104,713.30
  6. Step 6: Final answer
    x = 63,574.05

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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.