Home / 88,103.74-121,583.10-49,862.58

Finding the Fourth Proportional to 88,103.74, 121,583.10 and 49,862.58

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Solution

The fourth proportional to 88,103.74, 121,583.10 and 49,862.58 is: 68,810.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,103.74 : 121,583.10 = 49,862.58 : x
  2. Step 2: Convert to fraction form
    88,103.74/121,583.10 = 49,862.58/x
  3. Step 3: Cross multiply
    88,103.74x = 121,583.10 × 49,862.58
  4. Step 4: Simplify right side
    88,103.74x = 6,062,447,050.40
  5. Step 5: Solve for x
    x = 6,062,447,050.40/88,103.74
  6. Step 6: Final answer
    x = 68,810.33

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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.