Home / 52,510.78-72,463.26-28,637.92

Finding the Fourth Proportional to 52,510.78, 72,463.26 and 28,637.92

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Solution

The fourth proportional to 52,510.78, 72,463.26 and 28,637.92 is: 39,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,510.78 : 72,463.26 = 28,637.92 : x
  2. Step 2: Convert to fraction form
    52,510.78/72,463.26 = 28,637.92/x
  3. Step 3: Cross multiply
    52,510.78x = 72,463.26 × 28,637.92
  4. Step 4: Simplify right side
    52,510.78x = 2,075,197,042.82
  5. Step 5: Solve for x
    x = 2,075,197,042.82/52,510.78
  6. Step 6: Final answer
    x = 39,519.45

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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.