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Finding the Fourth Proportional to 61,524.76, 84,350.40 and 60,403.72

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Solution

The fourth proportional to 61,524.76, 84,350.40 and 60,403.72 is: 82,813.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,524.76 : 84,350.40 = 60,403.72 : x
  2. Step 2: Convert to fraction form
    61,524.76/84,350.40 = 60,403.72/x
  3. Step 3: Cross multiply
    61,524.76x = 84,350.40 × 60,403.72
  4. Step 4: Simplify right side
    61,524.76x = 5,095,077,943.49
  5. Step 5: Solve for x
    x = 5,095,077,943.49/61,524.76
  6. Step 6: Final answer
    x = 82,813.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.