Home / 86,368.18-129,523.34-33,047.76

Finding the Fourth Proportional to 86,368.18, 129,523.34 and 33,047.76

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Solution

The fourth proportional to 86,368.18, 129,523.34 and 33,047.76 is: 49,560.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,368.18 : 129,523.34 = 33,047.76 : x
  2. Step 2: Convert to fraction form
    86,368.18/129,523.34 = 33,047.76/x
  3. Step 3: Cross multiply
    86,368.18x = 129,523.34 × 33,047.76
  4. Step 4: Simplify right side
    86,368.18x = 4,280,456,254.72
  5. Step 5: Solve for x
    x = 4,280,456,254.72/86,368.18
  6. Step 6: Final answer
    x = 49,560.57

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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.