Home / 86,022.53-129,076.05-38,671.07

Finding the Fourth Proportional to 86,022.53, 129,076.05 and 38,671.07

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Solution

The fourth proportional to 86,022.53, 129,076.05 and 38,671.07 is: 58,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,022.53 : 129,076.05 = 38,671.07 : x
  2. Step 2: Convert to fraction form
    86,022.53/129,076.05 = 38,671.07/x
  3. Step 3: Cross multiply
    86,022.53x = 129,076.05 × 38,671.07
  4. Step 4: Simplify right side
    86,022.53x = 4,991,508,319.49
  5. Step 5: Solve for x
    x = 4,991,508,319.49/86,022.53
  6. Step 6: Final answer
    x = 58,025.60

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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.