Home / 99,925.56-137,832.78-59,608.20

Finding the Fourth Proportional to 99,925.56, 137,832.78 and 59,608.20

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Solution

The fourth proportional to 99,925.56, 137,832.78 and 59,608.20 is: 82,220.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,925.56 : 137,832.78 = 59,608.20 : x
  2. Step 2: Convert to fraction form
    99,925.56/137,832.78 = 59,608.20/x
  3. Step 3: Cross multiply
    99,925.56x = 137,832.78 × 59,608.20
  4. Step 4: Simplify right side
    99,925.56x = 8,215,963,916.80
  5. Step 5: Solve for x
    x = 8,215,963,916.80/99,925.56
  6. Step 6: Final answer
    x = 82,220.84

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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.