Home / 84,816.16-127,030.46-40,474.05

Finding the Fourth Proportional to 84,816.16, 127,030.46 and 40,474.05

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Solution

The fourth proportional to 84,816.16, 127,030.46 and 40,474.05 is: 60,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,816.16 : 127,030.46 = 40,474.05 : x
  2. Step 2: Convert to fraction form
    84,816.16/127,030.46 = 40,474.05/x
  3. Step 3: Cross multiply
    84,816.16x = 127,030.46 × 40,474.05
  4. Step 4: Simplify right side
    84,816.16x = 5,141,437,189.56
  5. Step 5: Solve for x
    x = 5,141,437,189.56/84,816.16
  6. Step 6: Final answer
    x = 60,618.60

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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.