Home / 75,707.67-113,432.34-53,478.27

Finding the Fourth Proportional to 75,707.67, 113,432.34 and 53,478.27

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Solution

The fourth proportional to 75,707.67, 113,432.34 and 53,478.27 is: 80,126.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,707.67 : 113,432.34 = 53,478.27 : x
  2. Step 2: Convert to fraction form
    75,707.67/113,432.34 = 53,478.27/x
  3. Step 3: Cross multiply
    75,707.67x = 113,432.34 × 53,478.27
  4. Step 4: Simplify right side
    75,707.67x = 6,066,165,305.25
  5. Step 5: Solve for x
    x = 6,066,165,305.25/75,707.67
  6. Step 6: Final answer
    x = 80,126.17

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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.