Home / 75,587.56-113,423.10-31,203.92

Finding the Fourth Proportional to 75,587.56, 113,423.10 and 31,203.92

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Solution

The fourth proportional to 75,587.56, 113,423.10 and 31,203.92 is: 46,823.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,587.56 : 113,423.10 = 31,203.92 : x
  2. Step 2: Convert to fraction form
    75,587.56/113,423.10 = 31,203.92/x
  3. Step 3: Cross multiply
    75,587.56x = 113,423.10 × 31,203.92
  4. Step 4: Simplify right side
    75,587.56x = 3,539,245,338.55
  5. Step 5: Solve for x
    x = 3,539,245,338.55/75,587.56
  6. Step 6: Final answer
    x = 46,823.12

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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.