Home / 88,030.58-121,481.85-47,744.18

Finding the Fourth Proportional to 88,030.58, 121,481.85 and 47,744.18

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Solution

The fourth proportional to 88,030.58, 121,481.85 and 47,744.18 is: 65,886.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,030.58 : 121,481.85 = 47,744.18 : x
  2. Step 2: Convert to fraction form
    88,030.58/121,481.85 = 47,744.18/x
  3. Step 3: Cross multiply
    88,030.58x = 121,481.85 × 47,744.18
  4. Step 4: Simplify right side
    88,030.58x = 5,800,051,313.13
  5. Step 5: Solve for x
    x = 5,800,051,313.13/88,030.58
  6. Step 6: Final answer
    x = 65,886.78

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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.