Home / 58,511.12-80,744.98-31,653.52

Finding the Fourth Proportional to 58,511.12, 80,744.98 and 31,653.52

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Solution

The fourth proportional to 58,511.12, 80,744.98 and 31,653.52 is: 43,681.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,511.12 : 80,744.98 = 31,653.52 : x
  2. Step 2: Convert to fraction form
    58,511.12/80,744.98 = 31,653.52/x
  3. Step 3: Cross multiply
    58,511.12x = 80,744.98 × 31,653.52
  4. Step 4: Simplify right side
    58,511.12x = 2,555,862,839.33
  5. Step 5: Solve for x
    x = 2,555,862,839.33/58,511.12
  6. Step 6: Final answer
    x = 43,681.66

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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.