Home / 53,116.20-79,680.06-19,852.20

Finding the Fourth Proportional to 53,116.20, 79,680.06 and 19,852.20

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Solution

The fourth proportional to 53,116.20, 79,680.06 and 19,852.20 is: 29,780.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,116.20 : 79,680.06 = 19,852.20 : x
  2. Step 2: Convert to fraction form
    53,116.20/79,680.06 = 19,852.20/x
  3. Step 3: Cross multiply
    53,116.20x = 79,680.06 × 19,852.20
  4. Step 4: Simplify right side
    53,116.20x = 1,581,824,487.13
  5. Step 5: Solve for x
    x = 1,581,824,487.13/53,116.20
  6. Step 6: Final answer
    x = 29,780.45

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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.