Home / 61,856.56-85,309.40-41,686.95

Finding the Fourth Proportional to 61,856.56, 85,309.40 and 41,686.95

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Solution

The fourth proportional to 61,856.56, 85,309.40 and 41,686.95 is: 57,492.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,856.56 : 85,309.40 = 41,686.95 : x
  2. Step 2: Convert to fraction form
    61,856.56/85,309.40 = 41,686.95/x
  3. Step 3: Cross multiply
    61,856.56x = 85,309.40 × 41,686.95
  4. Step 4: Simplify right side
    61,856.56x = 3,556,289,116.46
  5. Step 5: Solve for x
    x = 3,556,289,116.46/61,856.56
  6. Step 6: Final answer
    x = 57,492.51

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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.