Home / 68,490.18-94,516.17-38,275.49

Finding the Fourth Proportional to 68,490.18, 94,516.17 and 38,275.49

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Solution

The fourth proportional to 68,490.18, 94,516.17 and 38,275.49 is: 52,820.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,490.18 : 94,516.17 = 38,275.49 : x
  2. Step 2: Convert to fraction form
    68,490.18/94,516.17 = 38,275.49/x
  3. Step 3: Cross multiply
    68,490.18x = 94,516.17 × 38,275.49
  4. Step 4: Simplify right side
    68,490.18x = 3,617,652,280.78
  5. Step 5: Solve for x
    x = 3,617,652,280.78/68,490.18
  6. Step 6: Final answer
    x = 52,820.01

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1.5x scale

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.