Home / 74,862.33-103,305.60-40,864.07

Finding the Fourth Proportional to 74,862.33, 103,305.60 and 40,864.07

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Solution

The fourth proportional to 74,862.33, 103,305.60 and 40,864.07 is: 56,390.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,862.33 : 103,305.60 = 40,864.07 : x
  2. Step 2: Convert to fraction form
    74,862.33/103,305.60 = 40,864.07/x
  3. Step 3: Cross multiply
    74,862.33x = 103,305.60 × 40,864.07
  4. Step 4: Simplify right side
    74,862.33x = 4,221,486,753.26
  5. Step 5: Solve for x
    x = 4,221,486,753.26/74,862.33
  6. Step 6: Final answer
    x = 56,390.00

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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.