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Finding the Fourth Proportional to 53,497.40, 80,246.10 and 44,895.80

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Solution

The fourth proportional to 53,497.40, 80,246.10 and 44,895.80 is: 67,343.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,497.40 : 80,246.10 = 44,895.80 : x
  2. Step 2: Convert to fraction form
    53,497.40/80,246.10 = 44,895.80/x
  3. Step 3: Cross multiply
    53,497.40x = 80,246.10 × 44,895.80
  4. Step 4: Simplify right side
    53,497.40x = 3,602,712,856.38
  5. Step 5: Solve for x
    x = 3,602,712,856.38/53,497.40
  6. Step 6: Final answer
    x = 67,343.70

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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.