Home / 76,336.83-105,346.52-42,344.21

Finding the Fourth Proportional to 76,336.83, 105,346.52 and 42,344.21

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Solution

The fourth proportional to 76,336.83, 105,346.52 and 42,344.21 is: 58,435.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,336.83 : 105,346.52 = 42,344.21 : x
  2. Step 2: Convert to fraction form
    76,336.83/105,346.52 = 42,344.21/x
  3. Step 3: Cross multiply
    76,336.83x = 105,346.52 × 42,344.21
  4. Step 4: Simplify right side
    76,336.83x = 4,460,815,165.65
  5. Step 5: Solve for x
    x = 4,460,815,165.65/76,336.83
  6. Step 6: Final answer
    x = 58,435.95

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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.