Home / 74,916.90-112,359.96-22,312.26

Finding the Fourth Proportional to 74,916.90, 112,359.96 and 22,312.26

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Solution

The fourth proportional to 74,916.90, 112,359.96 and 22,312.26 is: 33,463.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,916.90 : 112,359.96 = 22,312.26 : x
  2. Step 2: Convert to fraction form
    74,916.90/112,359.96 = 22,312.26/x
  3. Step 3: Cross multiply
    74,916.90x = 112,359.96 × 22,312.26
  4. Step 4: Simplify right side
    74,916.90x = 2,507,004,641.11
  5. Step 5: Solve for x
    x = 2,507,004,641.11/74,916.90
  6. Step 6: Final answer
    x = 33,463.81

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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.