Home / 77,265.32-106,642.78-47,060.60

Finding the Fourth Proportional to 77,265.32, 106,642.78 and 47,060.60

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Solution

The fourth proportional to 77,265.32, 106,642.78 and 47,060.60 is: 64,953.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,265.32 : 106,642.78 = 47,060.60 : x
  2. Step 2: Convert to fraction form
    77,265.32/106,642.78 = 47,060.60/x
  3. Step 3: Cross multiply
    77,265.32x = 106,642.78 × 47,060.60
  4. Step 4: Simplify right side
    77,265.32x = 5,018,673,212.47
  5. Step 5: Solve for x
    x = 5,018,673,212.47/77,265.32
  6. Step 6: Final answer
    x = 64,953.76

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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.