Home / 35,570.78-53,356.17-9,275.45

Finding the Fourth Proportional to 35,570.78, 53,356.17 and 9,275.45

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Solution

The fourth proportional to 35,570.78, 53,356.17 and 9,275.45 is: 13,913.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,570.78 : 53,356.17 = 9,275.45 : x
  2. Step 2: Convert to fraction form
    35,570.78/53,356.17 = 9,275.45/x
  3. Step 3: Cross multiply
    35,570.78x = 53,356.17 × 9,275.45
  4. Step 4: Simplify right side
    35,570.78x = 494,902,487.03
  5. Step 5: Solve for x
    x = 494,902,487.03/35,570.78
  6. Step 6: Final answer
    x = 13,913.18

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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.