Home / 74,539.25-102,862.33-42,706.10

Finding the Fourth Proportional to 74,539.25, 102,862.33 and 42,706.10

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Solution

The fourth proportional to 74,539.25, 102,862.33 and 42,706.10 is: 58,933.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,539.25 : 102,862.33 = 42,706.10 : x
  2. Step 2: Convert to fraction form
    74,539.25/102,862.33 = 42,706.10/x
  3. Step 3: Cross multiply
    74,539.25x = 102,862.33 × 42,706.10
  4. Step 4: Simplify right side
    74,539.25x = 4,392,849,101.60
  5. Step 5: Solve for x
    x = 4,392,849,101.60/74,539.25
  6. Step 6: Final answer
    x = 58,933.37

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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.