Home / 91,714.46-126,512.18-57,668.98

Finding the Fourth Proportional to 91,714.46, 126,512.18 and 57,668.98

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Solution

The fourth proportional to 91,714.46, 126,512.18 and 57,668.98 is: 79,549.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,714.46 : 126,512.18 = 57,668.98 : x
  2. Step 2: Convert to fraction form
    91,714.46/126,512.18 = 57,668.98/x
  3. Step 3: Cross multiply
    91,714.46x = 126,512.18 × 57,668.98
  4. Step 4: Simplify right side
    91,714.46x = 7,295,828,378.18
  5. Step 5: Solve for x
    x = 7,295,828,378.18/91,714.46
  6. Step 6: Final answer
    x = 79,549.38

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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.