Home / 46,543.64-69,691.52-31,781.39

Finding the Fourth Proportional to 46,543.64, 69,691.52 and 31,781.39

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Solution

The fourth proportional to 46,543.64, 69,691.52 and 31,781.39 is: 47,587.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,543.64 : 69,691.52 = 31,781.39 : x
  2. Step 2: Convert to fraction form
    46,543.64/69,691.52 = 31,781.39/x
  3. Step 3: Cross multiply
    46,543.64x = 69,691.52 × 31,781.39
  4. Step 4: Simplify right side
    46,543.64x = 2,214,893,107.81
  5. Step 5: Solve for x
    x = 2,214,893,107.81/46,543.64
  6. Step 6: Final answer
    x = 47,587.45

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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.