Home / 70,008.18-96,612.12-38,176.80

Finding the Fourth Proportional to 70,008.18, 96,612.12 and 38,176.80

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Solution

The fourth proportional to 70,008.18, 96,612.12 and 38,176.80 is: 52,684.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,008.18 : 96,612.12 = 38,176.80 : x
  2. Step 2: Convert to fraction form
    70,008.18/96,612.12 = 38,176.80/x
  3. Step 3: Cross multiply
    70,008.18x = 96,612.12 × 38,176.80
  4. Step 4: Simplify right side
    70,008.18x = 3,688,341,582.82
  5. Step 5: Solve for x
    x = 3,688,341,582.82/70,008.18
  6. Step 6: Final answer
    x = 52,684.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.