Home / 91,730.64-126,615.16-59,904.48

Finding the Fourth Proportional to 91,730.64, 126,615.16 and 59,904.48

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Solution

The fourth proportional to 91,730.64, 126,615.16 and 59,904.48 is: 82,685.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,730.64 : 126,615.16 = 59,904.48 : x
  2. Step 2: Convert to fraction form
    91,730.64/126,615.16 = 59,904.48/x
  3. Step 3: Cross multiply
    91,730.64x = 126,615.16 × 59,904.48
  4. Step 4: Simplify right side
    91,730.64x = 7,584,815,319.92
  5. Step 5: Solve for x
    x = 7,584,815,319.92/91,730.64
  6. Step 6: Final answer
    x = 82,685.73

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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.