Home / 90,888.13-125,393.16-52,626.80

Finding the Fourth Proportional to 90,888.13, 125,393.16 and 52,626.80

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Solution

The fourth proportional to 90,888.13, 125,393.16 and 52,626.80 is: 72,606.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,888.13 : 125,393.16 = 52,626.80 : x
  2. Step 2: Convert to fraction form
    90,888.13/125,393.16 = 52,626.80/x
  3. Step 3: Cross multiply
    90,888.13x = 125,393.16 × 52,626.80
  4. Step 4: Simplify right side
    90,888.13x = 6,599,040,752.69
  5. Step 5: Solve for x
    x = 6,599,040,752.69/90,888.13
  6. Step 6: Final answer
    x = 72,606.19

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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.