Home / 73,038.87-109,547.28-23,112.45

Finding the Fourth Proportional to 73,038.87, 109,547.28 and 23,112.45

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Solution

The fourth proportional to 73,038.87, 109,547.28 and 23,112.45 is: 34,665.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,038.87 : 109,547.28 = 23,112.45 : x
  2. Step 2: Convert to fraction form
    73,038.87/109,547.28 = 23,112.45/x
  3. Step 3: Cross multiply
    73,038.87x = 109,547.28 × 23,112.45
  4. Step 4: Simplify right side
    73,038.87x = 2,531,906,031.64
  5. Step 5: Solve for x
    x = 2,531,906,031.64/73,038.87
  6. Step 6: Final answer
    x = 34,665.19

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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.