Home / 75,177.15-112,765.59-33,047.16

Finding the Fourth Proportional to 75,177.15, 112,765.59 and 33,047.16

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Solution

The fourth proportional to 75,177.15, 112,765.59 and 33,047.16 is: 49,570.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,177.15 : 112,765.59 = 33,047.16 : x
  2. Step 2: Convert to fraction form
    75,177.15/112,765.59 = 33,047.16/x
  3. Step 3: Cross multiply
    75,177.15x = 112,765.59 × 33,047.16
  4. Step 4: Simplify right side
    75,177.15x = 3,726,582,495.22
  5. Step 5: Solve for x
    x = 3,726,582,495.22/75,177.15
  6. Step 6: Final answer
    x = 49,570.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.