Home / 58,616.10-80,890.08-31,759.32

Finding the Fourth Proportional to 58,616.10, 80,890.08 and 31,759.32

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Solution

The fourth proportional to 58,616.10, 80,890.08 and 31,759.32 is: 43,827.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,616.10 : 80,890.08 = 31,759.32 : x
  2. Step 2: Convert to fraction form
    58,616.10/80,890.08 = 31,759.32/x
  3. Step 3: Cross multiply
    58,616.10x = 80,890.08 × 31,759.32
  4. Step 4: Simplify right side
    58,616.10x = 2,569,013,935.55
  5. Step 5: Solve for x
    x = 2,569,013,935.55/58,616.10
  6. Step 6: Final answer
    x = 43,827.79

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1.5x scale

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.