Home / 104,938.10-157,445.55-42,614.90

Finding the Fourth Proportional to 104,938.10, 157,445.55 and 42,614.90

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Solution

The fourth proportional to 104,938.10, 157,445.55 and 42,614.90 is: 63,937.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,938.10 : 157,445.55 = 42,614.90 : x
  2. Step 2: Convert to fraction form
    104,938.10/157,445.55 = 42,614.90/x
  3. Step 3: Cross multiply
    104,938.10x = 157,445.55 × 42,614.90
  4. Step 4: Simplify right side
    104,938.10x = 6,709,526,368.70
  5. Step 5: Solve for x
    x = 6,709,526,368.70/104,938.10
  6. Step 6: Final answer
    x = 63,937.94

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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.