Home / 45,070.68-67,910.28-37,345.12

Finding the Fourth Proportional to 45,070.68, 67,910.28 and 37,345.12

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Solution

The fourth proportional to 45,070.68, 67,910.28 and 37,345.12 is: 56,269.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,070.68 : 67,910.28 = 37,345.12 : x
  2. Step 2: Convert to fraction form
    45,070.68/67,910.28 = 37,345.12/x
  3. Step 3: Cross multiply
    45,070.68x = 67,910.28 × 37,345.12
  4. Step 4: Simplify right side
    45,070.68x = 2,536,117,555.83
  5. Step 5: Solve for x
    x = 2,536,117,555.83/45,070.68
  6. Step 6: Final answer
    x = 56,269.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.