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Finding the Fourth Proportional to 70,604.50, 97,456.08 and 45,454

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Solution

The fourth proportional to 70,604.50, 97,456.08 and 45,454 is: 62,740.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,604.50 : 97,456.08 = 45,454 : x
  2. Step 2: Convert to fraction form
    70,604.50/97,456.08 = 45,454/x
  3. Step 3: Cross multiply
    70,604.50x = 97,456.08 × 45,454
  4. Step 4: Simplify right side
    70,604.50x = 4,429,768,660.32
  5. Step 5: Solve for x
    x = 4,429,768,660.32/70,604.50
  6. Step 6: Final answer
    x = 62,740.60

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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.