Home / 113,827.28-157,081.90-62,840.04

Finding the Fourth Proportional to 113,827.28, 157,081.90 and 62,840.04

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Solution

The fourth proportional to 113,827.28, 157,081.90 and 62,840.04 is: 86,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,827.28 : 157,081.90 = 62,840.04 : x
  2. Step 2: Convert to fraction form
    113,827.28/157,081.90 = 62,840.04/x
  3. Step 3: Cross multiply
    113,827.28x = 157,081.90 × 62,840.04
  4. Step 4: Simplify right side
    113,827.28x = 9,871,032,879.28
  5. Step 5: Solve for x
    x = 9,871,032,879.28/113,827.28
  6. Step 6: Final answer
    x = 86,719.40

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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.