Home / 76,815.04-106,024.80-50,031.04

Finding the Fourth Proportional to 76,815.04, 106,024.80 and 50,031.04

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Solution

The fourth proportional to 76,815.04, 106,024.80 and 50,031.04 is: 69,055.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,815.04 : 106,024.80 = 50,031.04 : x
  2. Step 2: Convert to fraction form
    76,815.04/106,024.80 = 50,031.04/x
  3. Step 3: Cross multiply
    76,815.04x = 106,024.80 × 50,031.04
  4. Step 4: Simplify right side
    76,815.04x = 5,304,531,009.79
  5. Step 5: Solve for x
    x = 5,304,531,009.79/76,815.04
  6. Step 6: Final answer
    x = 69,055.89

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1.5x scale

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.