Home / 76,085.66-114,035-42,735.62

Finding the Fourth Proportional to 76,085.66, 114,035 and 42,735.62

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Solution

The fourth proportional to 76,085.66, 114,035 and 42,735.62 is: 64,050.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,085.66 : 114,035 = 42,735.62 : x
  2. Step 2: Convert to fraction form
    76,085.66/114,035 = 42,735.62/x
  3. Step 3: Cross multiply
    76,085.66x = 114,035 × 42,735.62
  4. Step 4: Simplify right side
    76,085.66x = 4,873,356,426.70
  5. Step 5: Solve for x
    x = 4,873,356,426.70/76,085.66
  6. Step 6: Final answer
    x = 64,050.92

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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.