Home / 74,827.43-103,264.03-40,838.10

Finding the Fourth Proportional to 74,827.43, 103,264.03 and 40,838.10

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Solution

The fourth proportional to 74,827.43, 103,264.03 and 40,838.10 is: 56,357.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,827.43 : 103,264.03 = 40,838.10 : x
  2. Step 2: Convert to fraction form
    74,827.43/103,264.03 = 40,838.10/x
  3. Step 3: Cross multiply
    74,827.43x = 103,264.03 × 40,838.10
  4. Step 4: Simplify right side
    74,827.43x = 4,217,106,369.32
  5. Step 5: Solve for x
    x = 4,217,106,369.32/74,827.43
  6. Step 6: Final answer
    x = 56,357.76

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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.