Home / 83,815.04-115,719.36-52,030.64

Finding the Fourth Proportional to 83,815.04, 115,719.36 and 52,030.64

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Solution

The fourth proportional to 83,815.04, 115,719.36 and 52,030.64 is: 71,836.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,815.04 : 115,719.36 = 52,030.64 : x
  2. Step 2: Convert to fraction form
    83,815.04/115,719.36 = 52,030.64/x
  3. Step 3: Cross multiply
    83,815.04x = 115,719.36 × 52,030.64
  4. Step 4: Simplify right side
    83,815.04x = 6,020,952,361.19
  5. Step 5: Solve for x
    x = 6,020,952,361.19/83,815.04
  6. Step 6: Final answer
    x = 71,836.18

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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.