Home / 53,612.93-73,989.23-30,956.10

Finding the Fourth Proportional to 53,612.93, 73,989.23 and 30,956.10

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Solution

The fourth proportional to 53,612.93, 73,989.23 and 30,956.10 is: 42,721.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,612.93 : 73,989.23 = 30,956.10 : x
  2. Step 2: Convert to fraction form
    53,612.93/73,989.23 = 30,956.10/x
  3. Step 3: Cross multiply
    53,612.93x = 73,989.23 × 30,956.10
  4. Step 4: Simplify right side
    53,612.93x = 2,290,417,848.02
  5. Step 5: Solve for x
    x = 2,290,417,848.02/53,612.93
  6. Step 6: Final answer
    x = 42,721.37

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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.