Home / 77,325.22-106,923.54-61,382.02

Finding the Fourth Proportional to 77,325.22, 106,923.54 and 61,382.02

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Solution

The fourth proportional to 77,325.22, 106,923.54 and 61,382.02 is: 84,877.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,325.22 : 106,923.54 = 61,382.02 : x
  2. Step 2: Convert to fraction form
    77,325.22/106,923.54 = 61,382.02/x
  3. Step 3: Cross multiply
    77,325.22x = 106,923.54 × 61,382.02
  4. Step 4: Simplify right side
    77,325.22x = 6,563,182,870.75
  5. Step 5: Solve for x
    x = 6,563,182,870.75/77,325.22
  6. Step 6: Final answer
    x = 84,877.65

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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.