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Finding the Fourth Proportional to 60,200.10, 90,334.71 and 47,015.46

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Solution

The fourth proportional to 60,200.10, 90,334.71 and 47,015.46 is: 70,550.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,200.10 : 90,334.71 = 47,015.46 : x
  2. Step 2: Convert to fraction form
    60,200.10/90,334.71 = 47,015.46/x
  3. Step 3: Cross multiply
    60,200.10x = 90,334.71 × 47,015.46
  4. Step 4: Simplify right side
    60,200.10x = 4,247,127,944.62
  5. Step 5: Solve for x
    x = 4,247,127,944.62/60,200.10
  6. Step 6: Final answer
    x = 70,550.18

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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.