Home / 76,820.04-106,031.70-50,036.04

Finding the Fourth Proportional to 76,820.04, 106,031.70 and 50,036.04

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Solution

The fourth proportional to 76,820.04, 106,031.70 and 50,036.04 is: 69,062.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,820.04 : 106,031.70 = 50,036.04 : x
  2. Step 2: Convert to fraction form
    76,820.04/106,031.70 = 50,036.04/x
  3. Step 3: Cross multiply
    76,820.04x = 106,031.70 × 50,036.04
  4. Step 4: Simplify right side
    76,820.04x = 5,305,406,382.47
  5. Step 5: Solve for x
    x = 5,305,406,382.47/76,820.04
  6. Step 6: Final answer
    x = 69,062.79

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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.