Home / 76,376.40-105,417.36-44,550.96

Finding the Fourth Proportional to 76,376.40, 105,417.36 and 44,550.96

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Solution

The fourth proportional to 76,376.40, 105,417.36 and 44,550.96 is: 61,490.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,376.40 : 105,417.36 = 44,550.96 : x
  2. Step 2: Convert to fraction form
    76,376.40/105,417.36 = 44,550.96/x
  3. Step 3: Cross multiply
    76,376.40x = 105,417.36 × 44,550.96
  4. Step 4: Simplify right side
    76,376.40x = 4,696,444,588.67
  5. Step 5: Solve for x
    x = 4,696,444,588.67/76,376.40
  6. Step 6: Final answer
    x = 61,490.78

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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.