Home / 53,878.48-74,332.19-53,795.42

Finding the Fourth Proportional to 53,878.48, 74,332.19 and 53,795.42

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Solution

The fourth proportional to 53,878.48, 74,332.19 and 53,795.42 is: 74,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,878.48 : 74,332.19 = 53,795.42 : x
  2. Step 2: Convert to fraction form
    53,878.48/74,332.19 = 53,795.42/x
  3. Step 3: Cross multiply
    53,878.48x = 74,332.19 × 53,795.42
  4. Step 4: Simplify right side
    53,878.48x = 3,998,731,380.57
  5. Step 5: Solve for x
    x = 3,998,731,380.57/53,878.48
  6. Step 6: Final answer
    x = 74,217.60

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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.