Home / 82,769.76-114,220.08-45,043.20

Finding the Fourth Proportional to 82,769.76, 114,220.08 and 45,043.20

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Solution

The fourth proportional to 82,769.76, 114,220.08 and 45,043.20 is: 62,158.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,769.76 : 114,220.08 = 45,043.20 : x
  2. Step 2: Convert to fraction form
    82,769.76/114,220.08 = 45,043.20/x
  3. Step 3: Cross multiply
    82,769.76x = 114,220.08 × 45,043.20
  4. Step 4: Simplify right side
    82,769.76x = 5,144,837,907.46
  5. Step 5: Solve for x
    x = 5,144,837,907.46/82,769.76
  6. Step 6: Final answer
    x = 62,158.42

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1.5x scale

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.