Home / 111,017.78-153,195.28-62,617.04

Finding the Fourth Proportional to 111,017.78, 153,195.28 and 62,617.04

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Solution

The fourth proportional to 111,017.78, 153,195.28 and 62,617.04 is: 86,406.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,017.78 : 153,195.28 = 62,617.04 : x
  2. Step 2: Convert to fraction form
    111,017.78/153,195.28 = 62,617.04/x
  3. Step 3: Cross multiply
    111,017.78x = 153,195.28 × 62,617.04
  4. Step 4: Simplify right side
    111,017.78x = 9,592,634,862.35
  5. Step 5: Solve for x
    x = 9,592,634,862.35/111,017.78
  6. Step 6: Final answer
    x = 86,406.29

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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.