Home / 83,120.50-114,744.04-52,947.18

Finding the Fourth Proportional to 83,120.50, 114,744.04 and 52,947.18

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Solution

The fourth proportional to 83,120.50, 114,744.04 and 52,947.18 is: 73,091.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,120.50 : 114,744.04 = 52,947.18 : x
  2. Step 2: Convert to fraction form
    83,120.50/114,744.04 = 52,947.18/x
  3. Step 3: Cross multiply
    83,120.50x = 114,744.04 × 52,947.18
  4. Step 4: Simplify right side
    83,120.50x = 6,075,373,339.81
  5. Step 5: Solve for x
    x = 6,075,373,339.81/83,120.50
  6. Step 6: Final answer
    x = 73,091.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.