Home / 56,294.60-77,685.93-30,800.70

Finding the Fourth Proportional to 56,294.60, 77,685.93 and 30,800.70

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Solution

The fourth proportional to 56,294.60, 77,685.93 and 30,800.70 is: 42,504.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,294.60 : 77,685.93 = 30,800.70 : x
  2. Step 2: Convert to fraction form
    56,294.60/77,685.93 = 30,800.70/x
  3. Step 3: Cross multiply
    56,294.60x = 77,685.93 × 30,800.70
  4. Step 4: Simplify right side
    56,294.60x = 2,392,781,024.15
  5. Step 5: Solve for x
    x = 2,392,781,024.15/56,294.60
  6. Step 6: Final answer
    x = 42,504.63

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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.