Home / 78,347.04-108,133.52-44,812.96

Finding the Fourth Proportional to 78,347.04, 108,133.52 and 44,812.96

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Solution

The fourth proportional to 78,347.04, 108,133.52 and 44,812.96 is: 61,850.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,347.04 : 108,133.52 = 44,812.96 : x
  2. Step 2: Convert to fraction form
    78,347.04/108,133.52 = 44,812.96/x
  3. Step 3: Cross multiply
    78,347.04x = 108,133.52 × 44,812.96
  4. Step 4: Simplify right side
    78,347.04x = 4,845,783,106.42
  5. Step 5: Solve for x
    x = 4,845,783,106.42/78,347.04
  6. Step 6: Final answer
    x = 61,850.24

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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.