Home / 45,908.20-68,862.30-42,117.40

Finding the Fourth Proportional to 45,908.20, 68,862.30 and 42,117.40

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Solution

The fourth proportional to 45,908.20, 68,862.30 and 42,117.40 is: 63,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,908.20 : 68,862.30 = 42,117.40 : x
  2. Step 2: Convert to fraction form
    45,908.20/68,862.30 = 42,117.40/x
  3. Step 3: Cross multiply
    45,908.20x = 68,862.30 × 42,117.40
  4. Step 4: Simplify right side
    45,908.20x = 2,900,301,034.02
  5. Step 5: Solve for x
    x = 2,900,301,034.02/45,908.20
  6. Step 6: Final answer
    x = 63,176.10

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1.5x scale

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.