Home / 68,929.02-95,119.64-42,116.40

Finding the Fourth Proportional to 68,929.02, 95,119.64 and 42,116.40

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Solution

The fourth proportional to 68,929.02, 95,119.64 and 42,116.40 is: 58,119.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,929.02 : 95,119.64 = 42,116.40 : x
  2. Step 2: Convert to fraction form
    68,929.02/95,119.64 = 42,116.40/x
  3. Step 3: Cross multiply
    68,929.02x = 95,119.64 × 42,116.40
  4. Step 4: Simplify right side
    68,929.02x = 4,006,096,806.10
  5. Step 5: Solve for x
    x = 4,006,096,806.10/68,929.02
  6. Step 6: Final answer
    x = 58,119.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.