Home / 109,532.68-151,155.10-59,231.68

Finding the Fourth Proportional to 109,532.68, 151,155.10 and 59,231.68

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Solution

The fourth proportional to 109,532.68, 151,155.10 and 59,231.68 is: 81,739.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,532.68 : 151,155.10 = 59,231.68 : x
  2. Step 2: Convert to fraction form
    109,532.68/151,155.10 = 59,231.68/x
  3. Step 3: Cross multiply
    109,532.68x = 151,155.10 × 59,231.68
  4. Step 4: Simplify right side
    109,532.68x = 8,953,170,513.57
  5. Step 5: Solve for x
    x = 8,953,170,513.57/109,532.68
  6. Step 6: Final answer
    x = 81,739.72

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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.