Home / 86,050.54-129,082.29-23,720.50

Finding the Fourth Proportional to 86,050.54, 129,082.29 and 23,720.50

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Solution

The fourth proportional to 86,050.54, 129,082.29 and 23,720.50 is: 35,582.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,050.54 : 129,082.29 = 23,720.50 : x
  2. Step 2: Convert to fraction form
    86,050.54/129,082.29 = 23,720.50/x
  3. Step 3: Cross multiply
    86,050.54x = 129,082.29 × 23,720.50
  4. Step 4: Simplify right side
    86,050.54x = 3,061,896,459.95
  5. Step 5: Solve for x
    x = 3,061,896,459.95/86,050.54
  6. Step 6: Final answer
    x = 35,582.54

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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.