Home / 76,333.26-105,339.94-42,340.62

Finding the Fourth Proportional to 76,333.26, 105,339.94 and 42,340.62

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Solution

The fourth proportional to 76,333.26, 105,339.94 and 42,340.62 is: 58,430.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,333.26 : 105,339.94 = 42,340.62 : x
  2. Step 2: Convert to fraction form
    76,333.26/105,339.94 = 42,340.62/x
  3. Step 3: Cross multiply
    76,333.26x = 105,339.94 × 42,340.62
  4. Step 4: Simplify right side
    76,333.26x = 4,460,158,370.36
  5. Step 5: Solve for x
    x = 4,460,158,370.36/76,333.26
  6. Step 6: Final answer
    x = 58,430.08

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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.