Home / 99,704.02-137,588.19-59,396.91

Finding the Fourth Proportional to 99,704.02, 137,588.19 and 59,396.91

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Solution

The fourth proportional to 99,704.02, 137,588.19 and 59,396.91 is: 81,965.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,704.02 : 137,588.19 = 59,396.91 : x
  2. Step 2: Convert to fraction form
    99,704.02/137,588.19 = 59,396.91/x
  3. Step 3: Cross multiply
    99,704.02x = 137,588.19 × 59,396.91
  4. Step 4: Simplify right side
    99,704.02x = 8,172,313,338.49
  5. Step 5: Solve for x
    x = 8,172,313,338.49/99,704.02
  6. Step 6: Final answer
    x = 81,965.74

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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.