Home / 91,488.74-137,162.75-46,473.10

Finding the Fourth Proportional to 91,488.74, 137,162.75 and 46,473.10

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Solution

The fourth proportional to 91,488.74, 137,162.75 and 46,473.10 is: 69,673.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,488.74 : 137,162.75 = 46,473.10 : x
  2. Step 2: Convert to fraction form
    91,488.74/137,162.75 = 46,473.10/x
  3. Step 3: Cross multiply
    91,488.74x = 137,162.75 × 46,473.10
  4. Step 4: Simplify right side
    91,488.74x = 6,374,379,043.65
  5. Step 5: Solve for x
    x = 6,374,379,043.65/91,488.74
  6. Step 6: Final answer
    x = 69,673.92

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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.