Home / 77,064.68-115,596.48-39,635.19

Finding the Fourth Proportional to 77,064.68, 115,596.48 and 39,635.19

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Solution

The fourth proportional to 77,064.68, 115,596.48 and 39,635.19 is: 59,452.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,064.68 : 115,596.48 = 39,635.19 : x
  2. Step 2: Convert to fraction form
    77,064.68/115,596.48 = 39,635.19/x
  3. Step 3: Cross multiply
    77,064.68x = 115,596.48 × 39,635.19
  4. Step 4: Simplify right side
    77,064.68x = 4,581,688,596.76
  5. Step 5: Solve for x
    x = 4,581,688,596.76/77,064.68
  6. Step 6: Final answer
    x = 59,452.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.