Home / 52,412.47-78,621.13-14,977.91

Finding the Fourth Proportional to 52,412.47, 78,621.13 and 14,977.91

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Solution

The fourth proportional to 52,412.47, 78,621.13 and 14,977.91 is: 22,467.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,412.47 : 78,621.13 = 14,977.91 : x
  2. Step 2: Convert to fraction form
    52,412.47/78,621.13 = 14,977.91/x
  3. Step 3: Cross multiply
    52,412.47x = 78,621.13 × 14,977.91
  4. Step 4: Simplify right side
    52,412.47x = 1,177,580,424.51
  5. Step 5: Solve for x
    x = 1,177,580,424.51/52,412.47
  6. Step 6: Final answer
    x = 22,467.56

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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.