Home / 91,147.02-125,789.98-50,319.14

Finding the Fourth Proportional to 91,147.02, 125,789.98 and 50,319.14

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Solution

The fourth proportional to 91,147.02, 125,789.98 and 50,319.14 is: 69,444.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,147.02 : 125,789.98 = 50,319.14 : x
  2. Step 2: Convert to fraction form
    91,147.02/125,789.98 = 50,319.14/x
  3. Step 3: Cross multiply
    91,147.02x = 125,789.98 × 50,319.14
  4. Step 4: Simplify right side
    91,147.02x = 6,329,643,802.89
  5. Step 5: Solve for x
    x = 6,329,643,802.89/91,147.02
  6. Step 6: Final answer
    x = 69,444.33

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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.