Home / 61,285.29-91,881.19-31,684.24

Finding the Fourth Proportional to 61,285.29, 91,881.19 and 31,684.24

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Solution

The fourth proportional to 61,285.29, 91,881.19 and 31,684.24 is: 47,502.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,285.29 : 91,881.19 = 31,684.24 : x
  2. Step 2: Convert to fraction form
    61,285.29/91,881.19 = 31,684.24/x
  3. Step 3: Cross multiply
    61,285.29x = 91,881.19 × 31,684.24
  4. Step 4: Simplify right side
    61,285.29x = 2,911,185,675.45
  5. Step 5: Solve for x
    x = 2,911,185,675.45/61,285.29
  6. Step 6: Final answer
    x = 47,502.19

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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.