Home / 76,280.85-114,268.05-42,950.97

Finding the Fourth Proportional to 76,280.85, 114,268.05 and 42,950.97

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Solution

The fourth proportional to 76,280.85, 114,268.05 and 42,950.97 is: 64,340.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,280.85 : 114,268.05 = 42,950.97 : x
  2. Step 2: Convert to fraction form
    76,280.85/114,268.05 = 42,950.97/x
  3. Step 3: Cross multiply
    76,280.85x = 114,268.05 × 42,950.97
  4. Step 4: Simplify right side
    76,280.85x = 4,907,923,587.51
  5. Step 5: Solve for x
    x = 4,907,923,587.51/76,280.85
  6. Step 6: Final answer
    x = 64,340.18

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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.