Home / 99,395.26-137,117.19-59,080.45

Finding the Fourth Proportional to 99,395.26, 137,117.19 and 59,080.45

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Solution

The fourth proportional to 99,395.26, 137,117.19 and 59,080.45 is: 81,502.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,395.26 : 137,117.19 = 59,080.45 : x
  2. Step 2: Convert to fraction form
    99,395.26/137,117.19 = 59,080.45/x
  3. Step 3: Cross multiply
    99,395.26x = 137,117.19 × 59,080.45
  4. Step 4: Simplify right side
    99,395.26x = 8,100,945,287.94
  5. Step 5: Solve for x
    x = 8,100,945,287.94/99,395.26
  6. Step 6: Final answer
    x = 81,502.33

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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.