Home / 55,275.29-76,281.96-31,406.01

Finding the Fourth Proportional to 55,275.29, 76,281.96 and 31,406.01

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Solution

The fourth proportional to 55,275.29, 76,281.96 and 31,406.01 is: 43,341.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,275.29 : 76,281.96 = 31,406.01 : x
  2. Step 2: Convert to fraction form
    55,275.29/76,281.96 = 31,406.01/x
  3. Step 3: Cross multiply
    55,275.29x = 76,281.96 × 31,406.01
  4. Step 4: Simplify right side
    55,275.29x = 2,395,711,998.58
  5. Step 5: Solve for x
    x = 2,395,711,998.58/55,275.29
  6. Step 6: Final answer
    x = 43,341.46

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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.