Home / 91,917.08-126,842.22-56,166.92

Finding the Fourth Proportional to 91,917.08, 126,842.22 and 56,166.92

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Solution

The fourth proportional to 91,917.08, 126,842.22 and 56,166.92 is: 77,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,917.08 : 126,842.22 = 56,166.92 : x
  2. Step 2: Convert to fraction form
    91,917.08/126,842.22 = 56,166.92/x
  3. Step 3: Cross multiply
    91,917.08x = 126,842.22 × 56,166.92
  4. Step 4: Simplify right side
    91,917.08x = 7,124,336,823.36
  5. Step 5: Solve for x
    x = 7,124,336,823.36/91,917.08
  6. Step 6: Final answer
    x = 77,508.30

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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.