Home / 90,862.08-136,312.54-27,687.25

Finding the Fourth Proportional to 90,862.08, 136,312.54 and 27,687.25

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Solution

The fourth proportional to 90,862.08, 136,312.54 and 27,687.25 is: 41,536.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,862.08 : 136,312.54 = 27,687.25 : x
  2. Step 2: Convert to fraction form
    90,862.08/136,312.54 = 27,687.25/x
  3. Step 3: Cross multiply
    90,862.08x = 136,312.54 × 27,687.25
  4. Step 4: Simplify right side
    90,862.08x = 3,774,118,963.12
  5. Step 5: Solve for x
    x = 3,774,118,963.12/90,862.08
  6. Step 6: Final answer
    x = 41,536.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.