Home / 70,160.16-105,281.77-25,818.06

Finding the Fourth Proportional to 70,160.16, 105,281.77 and 25,818.06

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Solution

The fourth proportional to 70,160.16, 105,281.77 and 25,818.06 is: 38,742.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,160.16 : 105,281.77 = 25,818.06 : x
  2. Step 2: Convert to fraction form
    70,160.16/105,281.77 = 25,818.06/x
  3. Step 3: Cross multiply
    70,160.16x = 105,281.77 × 25,818.06
  4. Step 4: Simplify right side
    70,160.16x = 2,718,170,841.23
  5. Step 5: Solve for x
    x = 2,718,170,841.23/70,160.16
  6. Step 6: Final answer
    x = 38,742.37

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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.