Home / 53,988.16-74,476.92-36,088.78

Finding the Fourth Proportional to 53,988.16, 74,476.92 and 36,088.78

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Solution

The fourth proportional to 53,988.16, 74,476.92 and 36,088.78 is: 49,784.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,988.16 : 74,476.92 = 36,088.78 : x
  2. Step 2: Convert to fraction form
    53,988.16/74,476.92 = 36,088.78/x
  3. Step 3: Cross multiply
    53,988.16x = 74,476.92 × 36,088.78
  4. Step 4: Simplify right side
    53,988.16x = 2,687,781,180.96
  5. Step 5: Solve for x
    x = 2,687,781,180.96/53,988.16
  6. Step 6: Final answer
    x = 49,784.64

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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.