Home / 84,085.04-115,996.92-52,291.28

Finding the Fourth Proportional to 84,085.04, 115,996.92 and 52,291.28

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Solution

The fourth proportional to 84,085.04, 115,996.92 and 52,291.28 is: 72,136.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,085.04 : 115,996.92 = 52,291.28 : x
  2. Step 2: Convert to fraction form
    84,085.04/115,996.92 = 52,291.28/x
  3. Step 3: Cross multiply
    84,085.04x = 115,996.92 × 52,291.28
  4. Step 4: Simplify right side
    84,085.04x = 6,065,627,422.86
  5. Step 5: Solve for x
    x = 6,065,627,422.86/84,085.04
  6. Step 6: Final answer
    x = 72,136.82

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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.