Home / 76,190.76-105,045.66-59,166.18

Finding the Fourth Proportional to 76,190.76, 105,045.66 and 59,166.18

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Solution

The fourth proportional to 76,190.76, 105,045.66 and 59,166.18 is: 81,573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,190.76 : 105,045.66 = 59,166.18 : x
  2. Step 2: Convert to fraction form
    76,190.76/105,045.66 = 59,166.18/x
  3. Step 3: Cross multiply
    76,190.76x = 105,045.66 × 59,166.18
  4. Step 4: Simplify right side
    76,190.76x = 6,215,150,427.78
  5. Step 5: Solve for x
    x = 6,215,150,427.78/76,190.76
  6. Step 6: Final answer
    x = 81,573.55

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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.