Home / 58,996.40-88,479.12-40,272.98

Finding the Fourth Proportional to 58,996.40, 88,479.12 and 40,272.98

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Solution

The fourth proportional to 58,996.40, 88,479.12 and 40,272.98 is: 60,398.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,996.40 : 88,479.12 = 40,272.98 : x
  2. Step 2: Convert to fraction form
    58,996.40/88,479.12 = 40,272.98/x
  3. Step 3: Cross multiply
    58,996.40x = 88,479.12 × 40,272.98
  4. Step 4: Simplify right side
    58,996.40x = 3,563,317,830.18
  5. Step 5: Solve for x
    x = 3,563,317,830.18/58,996.40
  6. Step 6: Final answer
    x = 60,398.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.