Home / 91,546.02-126,345.42-51,275.16

Finding the Fourth Proportional to 91,546.02, 126,345.42 and 51,275.16

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Solution

The fourth proportional to 91,546.02, 126,345.42 and 51,275.16 is: 70,766.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,546.02 : 126,345.42 = 51,275.16 : x
  2. Step 2: Convert to fraction form
    91,546.02/126,345.42 = 51,275.16/x
  3. Step 3: Cross multiply
    91,546.02x = 126,345.42 × 51,275.16
  4. Step 4: Simplify right side
    91,546.02x = 6,478,381,625.77
  5. Step 5: Solve for x
    x = 6,478,381,625.77/91,546.02
  6. Step 6: Final answer
    x = 70,766.39

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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.