Home / 99,803.55-137,717.24-59,519.55

Finding the Fourth Proportional to 99,803.55, 137,717.24 and 59,519.55

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Solution

The fourth proportional to 99,803.55, 137,717.24 and 59,519.55 is: 82,130.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,803.55 : 137,717.24 = 59,519.55 : x
  2. Step 2: Convert to fraction form
    99,803.55/137,717.24 = 59,519.55/x
  3. Step 3: Cross multiply
    99,803.55x = 137,717.24 × 59,519.55
  4. Step 4: Simplify right side
    99,803.55x = 8,196,867,854.44
  5. Step 5: Solve for x
    x = 8,196,867,854.44/99,803.55
  6. Step 6: Final answer
    x = 82,130.02

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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.