Home / 58,974.66-88,420.28-18,981.25

Finding the Fourth Proportional to 58,974.66, 88,420.28 and 18,981.25

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Solution

The fourth proportional to 58,974.66, 88,420.28 and 18,981.25 is: 28,458.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,974.66 : 88,420.28 = 18,981.25 : x
  2. Step 2: Convert to fraction form
    58,974.66/88,420.28 = 18,981.25/x
  3. Step 3: Cross multiply
    58,974.66x = 88,420.28 × 18,981.25
  4. Step 4: Simplify right side
    58,974.66x = 1,678,327,123.79
  5. Step 5: Solve for x
    x = 1,678,327,123.79/58,974.66
  6. Step 6: Final answer
    x = 28,458.45

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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.