Home / 89,862.10-124,008.52-49,577.56

Finding the Fourth Proportional to 89,862.10, 124,008.52 and 49,577.56

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Solution

The fourth proportional to 89,862.10, 124,008.52 and 49,577.56 is: 68,416.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,862.10 : 124,008.52 = 49,577.56 : x
  2. Step 2: Convert to fraction form
    89,862.10/124,008.52 = 49,577.56/x
  3. Step 3: Cross multiply
    89,862.10x = 124,008.52 × 49,577.56
  4. Step 4: Simplify right side
    89,862.10x = 6,148,039,840.81
  5. Step 5: Solve for x
    x = 6,148,039,840.81/89,862.10
  6. Step 6: Final answer
    x = 68,416.38

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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.