Home / 74,570.69-102,909.45-40,581.02

Finding the Fourth Proportional to 74,570.69, 102,909.45 and 40,581.02

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Solution

The fourth proportional to 74,570.69, 102,909.45 and 40,581.02 is: 56,002.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,570.69 : 102,909.45 = 40,581.02 : x
  2. Step 2: Convert to fraction form
    74,570.69/102,909.45 = 40,581.02/x
  3. Step 3: Cross multiply
    74,570.69x = 102,909.45 × 40,581.02
  4. Step 4: Simplify right side
    74,570.69x = 4,176,169,934.09
  5. Step 5: Solve for x
    x = 4,176,169,934.09/74,570.69
  6. Step 6: Final answer
    x = 56,002.84

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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.