Home / 99,737.30-137,618.63-59,454.81

Finding the Fourth Proportional to 99,737.30, 137,618.63 and 59,454.81

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Solution

The fourth proportional to 99,737.30, 137,618.63 and 59,454.81 is: 82,036.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,737.30 : 137,618.63 = 59,454.81 : x
  2. Step 2: Convert to fraction form
    99,737.30/137,618.63 = 59,454.81/x
  3. Step 3: Cross multiply
    99,737.30x = 137,618.63 × 59,454.81
  4. Step 4: Simplify right side
    99,737.30x = 8,182,089,201.84
  5. Step 5: Solve for x
    x = 8,182,089,201.84/99,737.30
  6. Step 6: Final answer
    x = 82,036.41

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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.