Home / 113,091.50-169,715.02-39,219.50

Finding the Fourth Proportional to 113,091.50, 169,715.02 and 39,219.50

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Solution

The fourth proportional to 113,091.50, 169,715.02 and 39,219.50 is: 58,856.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,091.50 : 169,715.02 = 39,219.50 : x
  2. Step 2: Convert to fraction form
    113,091.50/169,715.02 = 39,219.50/x
  3. Step 3: Cross multiply
    113,091.50x = 169,715.02 × 39,219.50
  4. Step 4: Simplify right side
    113,091.50x = 6,656,138,226.89
  5. Step 5: Solve for x
    x = 6,656,138,226.89/113,091.50
  6. Step 6: Final answer
    x = 58,856.22

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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.