Home / 77,332.66-106,717.29-45,065.23

Finding the Fourth Proportional to 77,332.66, 106,717.29 and 45,065.23

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Solution

The fourth proportional to 77,332.66, 106,717.29 and 45,065.23 is: 62,188.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,332.66 : 106,717.29 = 45,065.23 : x
  2. Step 2: Convert to fraction form
    77,332.66/106,717.29 = 45,065.23/x
  3. Step 3: Cross multiply
    77,332.66x = 106,717.29 × 45,065.23
  4. Step 4: Simplify right side
    77,332.66x = 4,809,239,218.83
  5. Step 5: Solve for x
    x = 4,809,239,218.83/77,332.66
  6. Step 6: Final answer
    x = 62,188.98

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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.