Home / 84,022.17-126,036.78-39,085.71

Finding the Fourth Proportional to 84,022.17, 126,036.78 and 39,085.71

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Solution

The fourth proportional to 84,022.17, 126,036.78 and 39,085.71 is: 58,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,022.17 : 126,036.78 = 39,085.71 : x
  2. Step 2: Convert to fraction form
    84,022.17/126,036.78 = 39,085.71/x
  3. Step 3: Cross multiply
    84,022.17x = 126,036.78 × 39,085.71
  4. Step 4: Simplify right side
    84,022.17x = 4,926,237,032.41
  5. Step 5: Solve for x
    x = 4,926,237,032.41/84,022.17
  6. Step 6: Final answer
    x = 58,630.20

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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.