Home / 68,457.04-102,851.52-64,680.76

Finding the Fourth Proportional to 68,457.04, 102,851.52 and 64,680.76

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Solution

The fourth proportional to 68,457.04, 102,851.52 and 64,680.76 is: 97,177.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,457.04 : 102,851.52 = 64,680.76 : x
  2. Step 2: Convert to fraction form
    68,457.04/102,851.52 = 64,680.76/x
  3. Step 3: Cross multiply
    68,457.04x = 102,851.52 × 64,680.76
  4. Step 4: Simplify right side
    68,457.04x = 6,652,514,480.76
  5. Step 5: Solve for x
    x = 6,652,514,480.76/68,457.04
  6. Step 6: Final answer
    x = 97,177.95

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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.