Home / 90,282.18-124,589.31-49,995.93

Finding the Fourth Proportional to 90,282.18, 124,589.31 and 49,995.93

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Solution

The fourth proportional to 90,282.18, 124,589.31 and 49,995.93 is: 68,994.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,282.18 : 124,589.31 = 49,995.93 : x
  2. Step 2: Convert to fraction form
    90,282.18/124,589.31 = 49,995.93/x
  3. Step 3: Cross multiply
    90,282.18x = 124,589.31 × 49,995.93
  4. Step 4: Simplify right side
    90,282.18x = 6,228,958,421.51
  5. Step 5: Solve for x
    x = 6,228,958,421.51/90,282.18
  6. Step 6: Final answer
    x = 68,994.33

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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.