Home / 53,164.12-79,746.14-15,724.68

Finding the Fourth Proportional to 53,164.12, 79,746.14 and 15,724.68

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Solution

The fourth proportional to 53,164.12, 79,746.14 and 15,724.68 is: 23,587.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,164.12 : 79,746.14 = 15,724.68 : x
  2. Step 2: Convert to fraction form
    53,164.12/79,746.14 = 15,724.68/x
  3. Step 3: Cross multiply
    53,164.12x = 79,746.14 × 15,724.68
  4. Step 4: Simplify right side
    53,164.12x = 1,253,982,532.74
  5. Step 5: Solve for x
    x = 1,253,982,532.74/53,164.12
  6. Step 6: Final answer
    x = 23,587.01

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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.