Home / 74,955.06-112,420.27-26,913.72

Finding the Fourth Proportional to 74,955.06, 112,420.27 and 26,913.72

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Solution

The fourth proportional to 74,955.06, 112,420.27 and 26,913.72 is: 40,366.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,955.06 : 112,420.27 = 26,913.72 : x
  2. Step 2: Convert to fraction form
    74,955.06/112,420.27 = 26,913.72/x
  3. Step 3: Cross multiply
    74,955.06x = 112,420.27 × 26,913.72
  4. Step 4: Simplify right side
    74,955.06x = 3,025,647,669.10
  5. Step 5: Solve for x
    x = 3,025,647,669.10/74,955.06
  6. Step 6: Final answer
    x = 40,366.16

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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.