Home / 103,565.60-142,914.39-57,624.02

Finding the Fourth Proportional to 103,565.60, 142,914.39 and 57,624.02

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Solution

The fourth proportional to 103,565.60, 142,914.39 and 57,624.02 is: 79,517.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,565.60 : 142,914.39 = 57,624.02 : x
  2. Step 2: Convert to fraction form
    103,565.60/142,914.39 = 57,624.02/x
  3. Step 3: Cross multiply
    103,565.60x = 142,914.39 × 57,624.02
  4. Step 4: Simplify right side
    103,565.60x = 8,235,300,953.08
  5. Step 5: Solve for x
    x = 8,235,300,953.08/103,565.60
  6. Step 6: Final answer
    x = 79,517.73

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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.