Home / 91,331.04-136,980.72-24,762.36

Finding the Fourth Proportional to 91,331.04, 136,980.72 and 24,762.36

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Solution

The fourth proportional to 91,331.04, 136,980.72 and 24,762.36 is: 37,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,331.04 : 136,980.72 = 24,762.36 : x
  2. Step 2: Convert to fraction form
    91,331.04/136,980.72 = 24,762.36/x
  3. Step 3: Cross multiply
    91,331.04x = 136,980.72 × 24,762.36
  4. Step 4: Simplify right side
    91,331.04x = 3,391,965,901.70
  5. Step 5: Solve for x
    x = 3,391,965,901.70/91,331.04
  6. Step 6: Final answer
    x = 37,139.25

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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.