Home / 64,758.20-97,132.83-39,802.10

Finding the Fourth Proportional to 64,758.20, 97,132.83 and 39,802.10

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Solution

The fourth proportional to 64,758.20, 97,132.83 and 39,802.10 is: 59,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,758.20 : 97,132.83 = 39,802.10 : x
  2. Step 2: Convert to fraction form
    64,758.20/97,132.83 = 39,802.10/x
  3. Step 3: Cross multiply
    64,758.20x = 97,132.83 × 39,802.10
  4. Step 4: Simplify right side
    64,758.20x = 3,866,090,127.28
  5. Step 5: Solve for x
    x = 3,866,090,127.28/64,758.20
  6. Step 6: Final answer
    x = 59,700.40

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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.