Home / 83,526.48-115,272.36-45,803.16

Finding the Fourth Proportional to 83,526.48, 115,272.36 and 45,803.16

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Solution

The fourth proportional to 83,526.48, 115,272.36 and 45,803.16 is: 63,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,526.48 : 115,272.36 = 45,803.16 : x
  2. Step 2: Convert to fraction form
    83,526.48/115,272.36 = 45,803.16/x
  3. Step 3: Cross multiply
    83,526.48x = 115,272.36 × 45,803.16
  4. Step 4: Simplify right side
    83,526.48x = 5,279,838,348.66
  5. Step 5: Solve for x
    x = 5,279,838,348.66/83,526.48
  6. Step 6: Final answer
    x = 63,211.55

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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.