Home / 75,547.44-113,318.43-31,140.87

Finding the Fourth Proportional to 75,547.44, 113,318.43 and 31,140.87

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Solution

The fourth proportional to 75,547.44, 113,318.43 and 31,140.87 is: 46,710.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,547.44 : 113,318.43 = 31,140.87 : x
  2. Step 2: Convert to fraction form
    75,547.44/113,318.43 = 31,140.87/x
  3. Step 3: Cross multiply
    75,547.44x = 113,318.43 × 31,140.87
  4. Step 4: Simplify right side
    75,547.44x = 3,528,834,497.23
  5. Step 5: Solve for x
    x = 3,528,834,497.23/75,547.44
  6. Step 6: Final answer
    x = 46,710.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.