Home / 52,451.78-78,586.54-47,312.33

Finding the Fourth Proportional to 52,451.78, 78,586.54 and 47,312.33

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Solution

The fourth proportional to 52,451.78, 78,586.54 and 47,312.33 is: 70,886.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,451.78 : 78,586.54 = 47,312.33 : x
  2. Step 2: Convert to fraction form
    52,451.78/78,586.54 = 47,312.33/x
  3. Step 3: Cross multiply
    52,451.78x = 78,586.54 × 47,312.33
  4. Step 4: Simplify right side
    52,451.78x = 3,718,111,802.82
  5. Step 5: Solve for x
    x = 3,718,111,802.82/52,451.78
  6. Step 6: Final answer
    x = 70,886.29

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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.