Home / 84,870.55-127,333.46-40,491.56

Finding the Fourth Proportional to 84,870.55, 127,333.46 and 40,491.56

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Solution

The fourth proportional to 84,870.55, 127,333.46 and 40,491.56 is: 60,750.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,870.55 : 127,333.46 = 40,491.56 : x
  2. Step 2: Convert to fraction form
    84,870.55/127,333.46 = 40,491.56/x
  3. Step 3: Cross multiply
    84,870.55x = 127,333.46 × 40,491.56
  4. Step 4: Simplify right side
    84,870.55x = 5,155,930,855.16
  5. Step 5: Solve for x
    x = 5,155,930,855.16/84,870.55
  6. Step 6: Final answer
    x = 60,750.53

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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.