Home / 53,764.59-74,210.58-31,118.88

Finding the Fourth Proportional to 53,764.59, 74,210.58 and 31,118.88

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Solution

The fourth proportional to 53,764.59, 74,210.58 and 31,118.88 is: 42,952.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,764.59 : 74,210.58 = 31,118.88 : x
  2. Step 2: Convert to fraction form
    53,764.59/74,210.58 = 31,118.88/x
  3. Step 3: Cross multiply
    53,764.59x = 74,210.58 × 31,118.88
  4. Step 4: Simplify right side
    53,764.59x = 2,309,350,133.75
  5. Step 5: Solve for x
    x = 2,309,350,133.75/53,764.59
  6. Step 6: Final answer
    x = 42,952.99

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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.