Home / 99,619.14-137,474.46-56,598.71

Finding the Fourth Proportional to 99,619.14, 137,474.46 and 56,598.71

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Solution

The fourth proportional to 99,619.14, 137,474.46 and 56,598.71 is: 78,106.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,619.14 : 137,474.46 = 56,598.71 : x
  2. Step 2: Convert to fraction form
    99,619.14/137,474.46 = 56,598.71/x
  3. Step 3: Cross multiply
    99,619.14x = 137,474.46 × 56,598.71
  4. Step 4: Simplify right side
    99,619.14x = 7,780,877,093.95
  5. Step 5: Solve for x
    x = 7,780,877,093.95/99,619.14
  6. Step 6: Final answer
    x = 78,106.25

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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.