Home / 99,511.61-137,322.84-59,216.13

Finding the Fourth Proportional to 99,511.61, 137,322.84 and 59,216.13

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Solution

The fourth proportional to 99,511.61, 137,322.84 and 59,216.13 is: 81,716.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,511.61 : 137,322.84 = 59,216.13 : x
  2. Step 2: Convert to fraction form
    99,511.61/137,322.84 = 59,216.13/x
  3. Step 3: Cross multiply
    99,511.61x = 137,322.84 × 59,216.13
  4. Step 4: Simplify right side
    99,511.61x = 8,131,727,367.47
  5. Step 5: Solve for x
    x = 8,131,727,367.47/99,511.61
  6. Step 6: Final answer
    x = 81,716.37

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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.