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Finding the Fourth Proportional to 73,887.59, 101,967.02 and 45,206.79

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Solution

The fourth proportional to 73,887.59, 101,967.02 and 45,206.79 is: 62,386.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,887.59 : 101,967.02 = 45,206.79 : x
  2. Step 2: Convert to fraction form
    73,887.59/101,967.02 = 45,206.79/x
  3. Step 3: Cross multiply
    73,887.59x = 101,967.02 × 45,206.79
  4. Step 4: Simplify right side
    73,887.59x = 4,609,601,434.03
  5. Step 5: Solve for x
    x = 4,609,601,434.03/73,887.59
  6. Step 6: Final answer
    x = 62,386.68

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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.