Home / 98,870.24-136,452.92-55,851.55

Finding the Fourth Proportional to 98,870.24, 136,452.92 and 55,851.55

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Solution

The fourth proportional to 98,870.24, 136,452.92 and 55,851.55 is: 77,081.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,870.24 : 136,452.92 = 55,851.55 : x
  2. Step 2: Convert to fraction form
    98,870.24/136,452.92 = 55,851.55/x
  3. Step 3: Cross multiply
    98,870.24x = 136,452.92 × 55,851.55
  4. Step 4: Simplify right side
    98,870.24x = 7,621,106,882.52
  5. Step 5: Solve for x
    x = 7,621,106,882.52/98,870.24
  6. Step 6: Final answer
    x = 77,081.91

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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.