Home / 99,410.15-137,184.93-59,123.02

Finding the Fourth Proportional to 99,410.15, 137,184.93 and 59,123.02

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Solution

The fourth proportional to 99,410.15, 137,184.93 and 59,123.02 is: 81,589.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,410.15 : 137,184.93 = 59,123.02 : x
  2. Step 2: Convert to fraction form
    99,410.15/137,184.93 = 59,123.02/x
  3. Step 3: Cross multiply
    99,410.15x = 137,184.93 × 59,123.02
  4. Step 4: Simplify right side
    99,410.15x = 8,110,787,360.09
  5. Step 5: Solve for x
    x = 8,110,787,360.09/99,410.15
  6. Step 6: Final answer
    x = 81,589.13

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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.