Home / 74,590.43-102,931.61-40,598.96

Finding the Fourth Proportional to 74,590.43, 102,931.61 and 40,598.96

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Solution

The fourth proportional to 74,590.43, 102,931.61 and 40,598.96 is: 56,024.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,590.43 : 102,931.61 = 40,598.96 : x
  2. Step 2: Convert to fraction form
    74,590.43/102,931.61 = 40,598.96/x
  3. Step 3: Cross multiply
    74,590.43x = 102,931.61 × 40,598.96
  4. Step 4: Simplify right side
    74,590.43x = 4,178,915,599.47
  5. Step 5: Solve for x
    x = 4,178,915,599.47/74,590.43
  6. Step 6: Final answer
    x = 56,024.83

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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.