Home / 54,281.44-74,913.96-31,312.16

Finding the Fourth Proportional to 54,281.44, 74,913.96 and 31,312.16

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Solution

The fourth proportional to 54,281.44, 74,913.96 and 31,312.16 is: 43,214.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,281.44 : 74,913.96 = 31,312.16 : x
  2. Step 2: Convert to fraction form
    54,281.44/74,913.96 = 31,312.16/x
  3. Step 3: Cross multiply
    54,281.44x = 74,913.96 × 31,312.16
  4. Step 4: Simplify right side
    54,281.44x = 2,345,717,901.75
  5. Step 5: Solve for x
    x = 2,345,717,901.75/54,281.44
  6. Step 6: Final answer
    x = 43,214.00

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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.