Home / 90,949.02-125,507.91-50,666.10

Finding the Fourth Proportional to 90,949.02, 125,507.91 and 50,666.10

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Solution

The fourth proportional to 90,949.02, 125,507.91 and 50,666.10 is: 69,918.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,949.02 : 125,507.91 = 50,666.10 : x
  2. Step 2: Convert to fraction form
    90,949.02/125,507.91 = 50,666.10/x
  3. Step 3: Cross multiply
    90,949.02x = 125,507.91 × 50,666.10
  4. Step 4: Simplify right side
    90,949.02x = 6,358,996,318.85
  5. Step 5: Solve for x
    x = 6,358,996,318.85/90,949.02
  6. Step 6: Final answer
    x = 69,918.25

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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.