Home / 88,106.52-121,587.18-50,380.77

Finding the Fourth Proportional to 88,106.52, 121,587.18 and 50,380.77

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Solution

The fourth proportional to 88,106.52, 121,587.18 and 50,380.77 is: 69,525.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,106.52 : 121,587.18 = 50,380.77 : x
  2. Step 2: Convert to fraction form
    88,106.52/121,587.18 = 50,380.77/x
  3. Step 3: Cross multiply
    88,106.52x = 121,587.18 × 50,380.77
  4. Step 4: Simplify right side
    88,106.52x = 6,125,655,750.53
  5. Step 5: Solve for x
    x = 6,125,655,750.53/88,106.52
  6. Step 6: Final answer
    x = 69,525.57

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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.