Home / 96,812.15-145,214.57-26,689.64

Finding the Fourth Proportional to 96,812.15, 145,214.57 and 26,689.64

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Solution

The fourth proportional to 96,812.15, 145,214.57 and 26,689.64 is: 40,033.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,812.15 : 145,214.57 = 26,689.64 : x
  2. Step 2: Convert to fraction form
    96,812.15/145,214.57 = 26,689.64/x
  3. Step 3: Cross multiply
    96,812.15x = 145,214.57 × 26,689.64
  4. Step 4: Simplify right side
    96,812.15x = 3,875,723,936.71
  5. Step 5: Solve for x
    x = 3,875,723,936.71/96,812.15
  6. Step 6: Final answer
    x = 40,033.45

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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.