Home / 91,122.76-125,760.35-53,397.01

Finding the Fourth Proportional to 91,122.76, 125,760.35 and 53,397.01

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Solution

The fourth proportional to 91,122.76, 125,760.35 and 53,397.01 is: 73,694.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,122.76 : 125,760.35 = 53,397.01 : x
  2. Step 2: Convert to fraction form
    91,122.76/125,760.35 = 53,397.01/x
  3. Step 3: Cross multiply
    91,122.76x = 125,760.35 × 53,397.01
  4. Step 4: Simplify right side
    91,122.76x = 6,715,225,770.77
  5. Step 5: Solve for x
    x = 6,715,225,770.77/91,122.76
  6. Step 6: Final answer
    x = 73,694.28

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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.