Home / 76,350.40-105,364.18-42,361.11

Finding the Fourth Proportional to 76,350.40, 105,364.18 and 42,361.11

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Solution

The fourth proportional to 76,350.40, 105,364.18 and 42,361.11 is: 58,458.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,350.40 : 105,364.18 = 42,361.11 : x
  2. Step 2: Convert to fraction form
    76,350.40/105,364.18 = 42,361.11/x
  3. Step 3: Cross multiply
    76,350.40x = 105,364.18 × 42,361.11
  4. Step 4: Simplify right side
    76,350.40x = 4,463,343,619.04
  5. Step 5: Solve for x
    x = 4,463,343,619.04/76,350.40
  6. Step 6: Final answer
    x = 58,458.68

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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.