Home / 91,048.02-125,636.13-55,246.74

Finding the Fourth Proportional to 91,048.02, 125,636.13 and 55,246.74

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Solution

The fourth proportional to 91,048.02, 125,636.13 and 55,246.74 is: 76,234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,048.02 : 125,636.13 = 55,246.74 : x
  2. Step 2: Convert to fraction form
    91,048.02/125,636.13 = 55,246.74/x
  3. Step 3: Cross multiply
    91,048.02x = 125,636.13 × 55,246.74
  4. Step 4: Simplify right side
    91,048.02x = 6,940,986,608.72
  5. Step 5: Solve for x
    x = 6,940,986,608.72/91,048.02
  6. Step 6: Final answer
    x = 76,234.35

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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.