Home / 77,368.24-106,775.73-43,376.78

Finding the Fourth Proportional to 77,368.24, 106,775.73 and 43,376.78

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Solution

The fourth proportional to 77,368.24, 106,775.73 and 43,376.78 is: 59,864.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,368.24 : 106,775.73 = 43,376.78 : x
  2. Step 2: Convert to fraction form
    77,368.24/106,775.73 = 43,376.78/x
  3. Step 3: Cross multiply
    77,368.24x = 106,775.73 × 43,376.78
  4. Step 4: Simplify right side
    77,368.24x = 4,631,587,349.55
  5. Step 5: Solve for x
    x = 4,631,587,349.55/77,368.24
  6. Step 6: Final answer
    x = 59,864.19

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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.