Home / 113,827.77-157,082.59-62,840.54

Finding the Fourth Proportional to 113,827.77, 157,082.59 and 62,840.54

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Solution

The fourth proportional to 113,827.77, 157,082.59 and 62,840.54 is: 86,720.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,827.77 : 157,082.59 = 62,840.54 : x
  2. Step 2: Convert to fraction form
    113,827.77/157,082.59 = 62,840.54/x
  3. Step 3: Cross multiply
    113,827.77x = 157,082.59 × 62,840.54
  4. Step 4: Simplify right side
    113,827.77x = 9,871,154,780.20
  5. Step 5: Solve for x
    x = 9,871,154,780.20/113,827.77
  6. Step 6: Final answer
    x = 86,720.09

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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.