Home / 67,920.47-101,880.75-23,547.26

Finding the Fourth Proportional to 67,920.47, 101,880.75 and 23,547.26

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Solution

The fourth proportional to 67,920.47, 101,880.75 and 23,547.26 is: 35,320.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,920.47 : 101,880.75 = 23,547.26 : x
  2. Step 2: Convert to fraction form
    67,920.47/101,880.75 = 23,547.26/x
  3. Step 3: Cross multiply
    67,920.47x = 101,880.75 × 23,547.26
  4. Step 4: Simplify right side
    67,920.47x = 2,399,011,999.84
  5. Step 5: Solve for x
    x = 2,399,011,999.84/67,920.47
  6. Step 6: Final answer
    x = 35,320.90

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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.