Home / 90,284.90-124,551.81-58,464.05

Finding the Fourth Proportional to 90,284.90, 124,551.81 and 58,464.05

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Solution

The fourth proportional to 90,284.90, 124,551.81 and 58,464.05 is: 80,653.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,284.90 : 124,551.81 = 58,464.05 : x
  2. Step 2: Convert to fraction form
    90,284.90/124,551.81 = 58,464.05/x
  3. Step 3: Cross multiply
    90,284.90x = 124,551.81 × 58,464.05
  4. Step 4: Simplify right side
    90,284.90x = 7,281,802,624.67
  5. Step 5: Solve for x
    x = 7,281,802,624.67/90,284.90
  6. Step 6: Final answer
    x = 80,653.61

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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.