Home / 76,525.37-105,599.88-42,531.65

Finding the Fourth Proportional to 76,525.37, 105,599.88 and 42,531.65

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Solution

The fourth proportional to 76,525.37, 105,599.88 and 42,531.65 is: 58,690.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,525.37 : 105,599.88 = 42,531.65 : x
  2. Step 2: Convert to fraction form
    76,525.37/105,599.88 = 42,531.65/x
  3. Step 3: Cross multiply
    76,525.37x = 105,599.88 × 42,531.65
  4. Step 4: Simplify right side
    76,525.37x = 4,491,336,608.20
  5. Step 5: Solve for x
    x = 4,491,336,608.20/76,525.37
  6. Step 6: Final answer
    x = 58,690.82

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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.