Home / 56,532.78-78,006.15-32,662.62

Finding the Fourth Proportional to 56,532.78, 78,006.15 and 32,662.62

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Solution

The fourth proportional to 56,532.78, 78,006.15 and 32,662.62 is: 45,069.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,532.78 : 78,006.15 = 32,662.62 : x
  2. Step 2: Convert to fraction form
    56,532.78/78,006.15 = 32,662.62/x
  3. Step 3: Cross multiply
    56,532.78x = 78,006.15 × 32,662.62
  4. Step 4: Simplify right side
    56,532.78x = 2,547,885,235.11
  5. Step 5: Solve for x
    x = 2,547,885,235.11/56,532.78
  6. Step 6: Final answer
    x = 45,069.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.