Home / 74,347.19-102,597.49-40,355.74

Finding the Fourth Proportional to 74,347.19, 102,597.49 and 40,355.74

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Solution

The fourth proportional to 74,347.19, 102,597.49 and 40,355.74 is: 55,690.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,347.19 : 102,597.49 = 40,355.74 : x
  2. Step 2: Convert to fraction form
    74,347.19/102,597.49 = 40,355.74/x
  3. Step 3: Cross multiply
    74,347.19x = 102,597.49 × 40,355.74
  4. Step 4: Simplify right side
    74,347.19x = 4,140,397,631.09
  5. Step 5: Solve for x
    x = 4,140,397,631.09/74,347.19
  6. Step 6: Final answer
    x = 55,690.04

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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.