Home / 79,341.12-118,830.24-51,554.88

Finding the Fourth Proportional to 79,341.12, 118,830.24 and 51,554.88

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Solution

The fourth proportional to 79,341.12, 118,830.24 and 51,554.88 is: 77,214.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,341.12 : 118,830.24 = 51,554.88 : x
  2. Step 2: Convert to fraction form
    79,341.12/118,830.24 = 51,554.88/x
  3. Step 3: Cross multiply
    79,341.12x = 118,830.24 × 51,554.88
  4. Step 4: Simplify right side
    79,341.12x = 6,126,278,763.57
  5. Step 5: Solve for x
    x = 6,126,278,763.57/79,341.12
  6. Step 6: Final answer
    x = 77,214.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.