Home / 53,711.58-74,110.05-32,490.40

Finding the Fourth Proportional to 53,711.58, 74,110.05 and 32,490.40

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Solution

The fourth proportional to 53,711.58, 74,110.05 and 32,490.40 is: 44,829.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,711.58 : 74,110.05 = 32,490.40 : x
  2. Step 2: Convert to fraction form
    53,711.58/74,110.05 = 32,490.40/x
  3. Step 3: Cross multiply
    53,711.58x = 74,110.05 × 32,490.40
  4. Step 4: Simplify right side
    53,711.58x = 2,407,865,168.52
  5. Step 5: Solve for x
    x = 2,407,865,168.52/53,711.58
  6. Step 6: Final answer
    x = 44,829.54

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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.