Home / 91,906.32-126,844.68-56,117.20

Finding the Fourth Proportional to 91,906.32, 126,844.68 and 56,117.20

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Solution

The fourth proportional to 91,906.32, 126,844.68 and 56,117.20 is: 77,450.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,906.32 : 126,844.68 = 56,117.20 : x
  2. Step 2: Convert to fraction form
    91,906.32/126,844.68 = 56,117.20/x
  3. Step 3: Cross multiply
    91,906.32x = 126,844.68 × 56,117.20
  4. Step 4: Simplify right side
    91,906.32x = 7,118,168,276.50
  5. Step 5: Solve for x
    x = 7,118,168,276.50/91,906.32
  6. Step 6: Final answer
    x = 77,450.26

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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.