Home / 74,364.60-102,624.38-40,373.08

Finding the Fourth Proportional to 74,364.60, 102,624.38 and 40,373.08

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Solution

The fourth proportional to 74,364.60, 102,624.38 and 40,373.08 is: 55,715.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,364.60 : 102,624.38 = 40,373.08 : x
  2. Step 2: Convert to fraction form
    74,364.60/102,624.38 = 40,373.08/x
  3. Step 3: Cross multiply
    74,364.60x = 102,624.38 × 40,373.08
  4. Step 4: Simplify right side
    74,364.60x = 4,143,262,101.83
  5. Step 5: Solve for x
    x = 4,143,262,101.83/74,364.60
  6. Step 6: Final answer
    x = 55,715.52

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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.