Home / 77,258.88-115,637.76-41,670.72

Finding the Fourth Proportional to 77,258.88, 115,637.76 and 41,670.72

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Solution

The fourth proportional to 77,258.88, 115,637.76 and 41,670.72 is: 62,370.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,258.88 : 115,637.76 = 41,670.72 : x
  2. Step 2: Convert to fraction form
    77,258.88/115,637.76 = 41,670.72/x
  3. Step 3: Cross multiply
    77,258.88x = 115,637.76 × 41,670.72
  4. Step 4: Simplify right side
    77,258.88x = 4,818,708,718.39
  5. Step 5: Solve for x
    x = 4,818,708,718.39/77,258.88
  6. Step 6: Final answer
    x = 62,370.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.