Home / 90,752.06-125,219.49-53,019.02

Finding the Fourth Proportional to 90,752.06, 125,219.49 and 53,019.02

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Solution

The fourth proportional to 90,752.06, 125,219.49 and 53,019.02 is: 73,155.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,752.06 : 125,219.49 = 53,019.02 : x
  2. Step 2: Convert to fraction form
    90,752.06/125,219.49 = 53,019.02/x
  3. Step 3: Cross multiply
    90,752.06x = 125,219.49 × 53,019.02
  4. Step 4: Simplify right side
    90,752.06x = 6,639,014,644.70
  5. Step 5: Solve for x
    x = 6,639,014,644.70/90,752.06
  6. Step 6: Final answer
    x = 73,155.53

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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.