Home / 74,347.23-102,569.98-42,499.04

Finding the Fourth Proportional to 74,347.23, 102,569.98 and 42,499.04

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Solution

The fourth proportional to 74,347.23, 102,569.98 and 42,499.04 is: 58,631.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,347.23 : 102,569.98 = 42,499.04 : x
  2. Step 2: Convert to fraction form
    74,347.23/102,569.98 = 42,499.04/x
  3. Step 3: Cross multiply
    74,347.23x = 102,569.98 × 42,499.04
  4. Step 4: Simplify right side
    74,347.23x = 4,359,125,470.32
  5. Step 5: Solve for x
    x = 4,359,125,470.32/74,347.23
  6. Step 6: Final answer
    x = 58,631.98

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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.