Home / 64,821.12-97,192.76-25,331.16

Finding the Fourth Proportional to 64,821.12, 97,192.76 and 25,331.16

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Solution

The fourth proportional to 64,821.12, 97,192.76 and 25,331.16 is: 37,981.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,821.12 : 97,192.76 = 25,331.16 : x
  2. Step 2: Convert to fraction form
    64,821.12/97,192.76 = 25,331.16/x
  3. Step 3: Cross multiply
    64,821.12x = 97,192.76 × 25,331.16
  4. Step 4: Simplify right side
    64,821.12x = 2,462,005,354.40
  5. Step 5: Solve for x
    x = 2,462,005,354.40/64,821.12
  6. Step 6: Final answer
    x = 37,981.53

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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.