Home / 48,688.48-67,129.22-40,633.72

Finding the Fourth Proportional to 48,688.48, 67,129.22 and 40,633.72

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Solution

The fourth proportional to 48,688.48, 67,129.22 and 40,633.72 is: 56,023.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,688.48 : 67,129.22 = 40,633.72 : x
  2. Step 2: Convert to fraction form
    48,688.48/67,129.22 = 40,633.72/x
  3. Step 3: Cross multiply
    48,688.48x = 67,129.22 × 40,633.72
  4. Step 4: Simplify right side
    48,688.48x = 2,727,709,929.30
  5. Step 5: Solve for x
    x = 2,727,709,929.30/48,688.48
  6. Step 6: Final answer
    x = 56,023.72

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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.