Home / 56,005.10-84,007.65-48,401.90

Finding the Fourth Proportional to 56,005.10, 84,007.65 and 48,401.90

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Solution

The fourth proportional to 56,005.10, 84,007.65 and 48,401.90 is: 72,602.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,005.10 : 84,007.65 = 48,401.90 : x
  2. Step 2: Convert to fraction form
    56,005.10/84,007.65 = 48,401.90/x
  3. Step 3: Cross multiply
    56,005.10x = 84,007.65 × 48,401.90
  4. Step 4: Simplify right side
    56,005.10x = 4,066,129,874.54
  5. Step 5: Solve for x
    x = 4,066,129,874.54/56,005.10
  6. Step 6: Final answer
    x = 72,602.85

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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.