Home / 73,931.74-102,020.28-45,239.68

Finding the Fourth Proportional to 73,931.74, 102,020.28 and 45,239.68

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Solution

The fourth proportional to 73,931.74, 102,020.28 and 45,239.68 is: 62,427.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,931.74 : 102,020.28 = 45,239.68 : x
  2. Step 2: Convert to fraction form
    73,931.74/102,020.28 = 45,239.68/x
  3. Step 3: Cross multiply
    73,931.74x = 102,020.28 × 45,239.68
  4. Step 4: Simplify right side
    73,931.74x = 4,615,364,778.59
  5. Step 5: Solve for x
    x = 4,615,364,778.59/73,931.74
  6. Step 6: Final answer
    x = 62,427.38

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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.