Home / 88,026.75-121,465.77-52,209.76

Finding the Fourth Proportional to 88,026.75, 121,465.77 and 52,209.76

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Solution

The fourth proportional to 88,026.75, 121,465.77 and 52,209.76 is: 72,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,026.75 : 121,465.77 = 52,209.76 : x
  2. Step 2: Convert to fraction form
    88,026.75/121,465.77 = 52,209.76/x
  3. Step 3: Cross multiply
    88,026.75x = 121,465.77 × 52,209.76
  4. Step 4: Simplify right side
    88,026.75x = 6,341,698,699.92
  5. Step 5: Solve for x
    x = 6,341,698,699.92/88,026.75
  6. Step 6: Final answer
    x = 72,042.86

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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.