Home / 63,036.57-86,989.32-34,356.48

Finding the Fourth Proportional to 63,036.57, 86,989.32 and 34,356.48

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Solution

The fourth proportional to 63,036.57, 86,989.32 and 34,356.48 is: 47,411.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,036.57 : 86,989.32 = 34,356.48 : x
  2. Step 2: Convert to fraction form
    63,036.57/86,989.32 = 34,356.48/x
  3. Step 3: Cross multiply
    63,036.57x = 86,989.32 × 34,356.48
  4. Step 4: Simplify right side
    63,036.57x = 2,988,646,832.79
  5. Step 5: Solve for x
    x = 2,988,646,832.79/63,036.57
  6. Step 6: Final answer
    x = 47,411.32

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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.