Home / 88,298.05-121,851.45-48,011.78

Finding the Fourth Proportional to 88,298.05, 121,851.45 and 48,011.78

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Solution

The fourth proportional to 88,298.05, 121,851.45 and 48,011.78 is: 66,256.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,298.05 : 121,851.45 = 48,011.78 : x
  2. Step 2: Convert to fraction form
    88,298.05/121,851.45 = 48,011.78/x
  3. Step 3: Cross multiply
    88,298.05x = 121,851.45 × 48,011.78
  4. Step 4: Simplify right side
    88,298.05x = 5,850,305,010.08
  5. Step 5: Solve for x
    x = 5,850,305,010.08/88,298.05
  6. Step 6: Final answer
    x = 66,256.33

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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.