Home / 91,509.64-126,265.34-57,498.42

Finding the Fourth Proportional to 91,509.64, 126,265.34 and 57,498.42

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Solution

The fourth proportional to 91,509.64, 126,265.34 and 57,498.42 is: 79,336.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,509.64 : 126,265.34 = 57,498.42 : x
  2. Step 2: Convert to fraction form
    91,509.64/126,265.34 = 57,498.42/x
  3. Step 3: Cross multiply
    91,509.64x = 126,265.34 × 57,498.42
  4. Step 4: Simplify right side
    91,509.64x = 7,260,057,550.76
  5. Step 5: Solve for x
    x = 7,260,057,550.76/91,509.64
  6. Step 6: Final answer
    x = 79,336.53

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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.