Home / 48,655.15-67,106.32-30,743.62

Finding the Fourth Proportional to 48,655.15, 67,106.32 and 30,743.62

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Solution

The fourth proportional to 48,655.15, 67,106.32 and 30,743.62 is: 42,402.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,655.15 : 67,106.32 = 30,743.62 : x
  2. Step 2: Convert to fraction form
    48,655.15/67,106.32 = 30,743.62/x
  3. Step 3: Cross multiply
    48,655.15x = 67,106.32 × 30,743.62
  4. Step 4: Simplify right side
    48,655.15x = 2,063,091,129.99
  5. Step 5: Solve for x
    x = 2,063,091,129.99/48,655.15
  6. Step 6: Final answer
    x = 42,402.32

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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.