Home / 88,039.86-121,494.10-47,752.75

Finding the Fourth Proportional to 88,039.86, 121,494.10 and 47,752.75

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Solution

The fourth proportional to 88,039.86, 121,494.10 and 47,752.75 is: 65,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,039.86 : 121,494.10 = 47,752.75 : x
  2. Step 2: Convert to fraction form
    88,039.86/121,494.10 = 47,752.75/x
  3. Step 3: Cross multiply
    88,039.86x = 121,494.10 × 47,752.75
  4. Step 4: Simplify right side
    88,039.86x = 5,801,677,383.78
  5. Step 5: Solve for x
    x = 5,801,677,383.78/88,039.86
  6. Step 6: Final answer
    x = 65,898.31

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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.