Home / 92,929.47-139,373.19-42,982.16

Finding the Fourth Proportional to 92,929.47, 139,373.19 and 42,982.16

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Solution

The fourth proportional to 92,929.47, 139,373.19 and 42,982.16 is: 64,463.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,929.47 : 139,373.19 = 42,982.16 : x
  2. Step 2: Convert to fraction form
    92,929.47/139,373.19 = 42,982.16/x
  3. Step 3: Cross multiply
    92,929.47x = 139,373.19 × 42,982.16
  4. Step 4: Simplify right side
    92,929.47x = 5,990,560,752.29
  5. Step 5: Solve for x
    x = 5,990,560,752.29/92,929.47
  6. Step 6: Final answer
    x = 64,463.52

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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.