Home / 77,948.16-116,856.63-31,175.52

Finding the Fourth Proportional to 77,948.16, 116,856.63 and 31,175.52

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Solution

The fourth proportional to 77,948.16, 116,856.63 and 31,175.52 is: 46,737.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,948.16 : 116,856.63 = 31,175.52 : x
  2. Step 2: Convert to fraction form
    77,948.16/116,856.63 = 31,175.52/x
  3. Step 3: Cross multiply
    77,948.16x = 116,856.63 × 31,175.52
  4. Step 4: Simplify right side
    77,948.16x = 3,643,066,205.70
  5. Step 5: Solve for x
    x = 3,643,066,205.70/77,948.16
  6. Step 6: Final answer
    x = 46,737.04

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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.