Home / 98,921.48-136,518.33-55,886.04

Finding the Fourth Proportional to 98,921.48, 136,518.33 and 55,886.04

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Solution

The fourth proportional to 98,921.48, 136,518.33 and 55,886.04 is: 77,126.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,921.48 : 136,518.33 = 55,886.04 : x
  2. Step 2: Convert to fraction form
    98,921.48/136,518.33 = 55,886.04/x
  3. Step 3: Cross multiply
    98,921.48x = 136,518.33 × 55,886.04
  4. Step 4: Simplify right side
    98,921.48x = 7,629,468,851.11
  5. Step 5: Solve for x
    x = 7,629,468,851.11/98,921.48
  6. Step 6: Final answer
    x = 77,126.52

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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.