Home / 76,140.90-105,056.73-44,291.70

Finding the Fourth Proportional to 76,140.90, 105,056.73 and 44,291.70

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Solution

The fourth proportional to 76,140.90, 105,056.73 and 44,291.70 is: 61,112.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,140.90 : 105,056.73 = 44,291.70 : x
  2. Step 2: Convert to fraction form
    76,140.90/105,056.73 = 44,291.70/x
  3. Step 3: Cross multiply
    76,140.90x = 105,056.73 × 44,291.70
  4. Step 4: Simplify right side
    76,140.90x = 4,653,141,168.14
  5. Step 5: Solve for x
    x = 4,653,141,168.14/76,140.90
  6. Step 6: Final answer
    x = 61,112.24

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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.