Home / 91,714.26-126,525.56-64,879.76

Finding the Fourth Proportional to 91,714.26, 126,525.56 and 64,879.76

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Solution

The fourth proportional to 91,714.26, 126,525.56 and 64,879.76 is: 89,505.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,714.26 : 126,525.56 = 64,879.76 : x
  2. Step 2: Convert to fraction form
    91,714.26/126,525.56 = 64,879.76/x
  3. Step 3: Cross multiply
    91,714.26x = 126,525.56 × 64,879.76
  4. Step 4: Simplify right side
    91,714.26x = 8,208,947,966.67
  5. Step 5: Solve for x
    x = 8,208,947,966.67/91,714.26
  6. Step 6: Final answer
    x = 89,505.69

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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.