Home / 60,631.20-90,985.71-40,663.23

Finding the Fourth Proportional to 60,631.20, 90,985.71 and 40,663.23

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Solution

The fourth proportional to 60,631.20, 90,985.71 and 40,663.23 is: 61,020.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,631.20 : 90,985.71 = 40,663.23 : x
  2. Step 2: Convert to fraction form
    60,631.20/90,985.71 = 40,663.23/x
  3. Step 3: Cross multiply
    60,631.20x = 90,985.71 × 40,663.23
  4. Step 4: Simplify right side
    60,631.20x = 3,699,772,448.59
  5. Step 5: Solve for x
    x = 3,699,772,448.59/60,631.20
  6. Step 6: Final answer
    x = 61,020.94

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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.