Home / 75,916.80-113,875.20-23,319.45

Finding the Fourth Proportional to 75,916.80, 113,875.20 and 23,319.45

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Solution

The fourth proportional to 75,916.80, 113,875.20 and 23,319.45 is: 34,979.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,916.80 : 113,875.20 = 23,319.45 : x
  2. Step 2: Convert to fraction form
    75,916.80/113,875.20 = 23,319.45/x
  3. Step 3: Cross multiply
    75,916.80x = 113,875.20 × 23,319.45
  4. Step 4: Simplify right side
    75,916.80x = 2,655,507,032.64
  5. Step 5: Solve for x
    x = 2,655,507,032.64/75,916.80
  6. Step 6: Final answer
    x = 34,979.18

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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.