Home / 91,776.08-126,643.52-51,484.24

Finding the Fourth Proportional to 91,776.08, 126,643.52 and 51,484.24

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Solution

The fourth proportional to 91,776.08, 126,643.52 and 51,484.24 is: 71,044.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,776.08 : 126,643.52 = 51,484.24 : x
  2. Step 2: Convert to fraction form
    91,776.08/126,643.52 = 51,484.24/x
  3. Step 3: Cross multiply
    91,776.08x = 126,643.52 × 51,484.24
  4. Step 4: Simplify right side
    91,776.08x = 6,520,145,378.12
  5. Step 5: Solve for x
    x = 6,520,145,378.12/91,776.08
  6. Step 6: Final answer
    x = 71,044.06

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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.