Home / 82,395.68-124,076.48-59,184.32

Finding the Fourth Proportional to 82,395.68, 124,076.48 and 59,184.32

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Solution

The fourth proportional to 82,395.68, 124,076.48 and 59,184.32 is: 89,123.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,395.68 : 124,076.48 = 59,184.32 : x
  2. Step 2: Convert to fraction form
    82,395.68/124,076.48 = 59,184.32/x
  3. Step 3: Cross multiply
    82,395.68x = 124,076.48 × 59,184.32
  4. Step 4: Simplify right side
    82,395.68x = 7,343,382,096.79
  5. Step 5: Solve for x
    x = 7,343,382,096.79/82,395.68
  6. Step 6: Final answer
    x = 89,123.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.