Home / 75,586.68-113,280.66-31,188.74

Finding the Fourth Proportional to 75,586.68, 113,280.66 and 31,188.74

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Solution

The fourth proportional to 75,586.68, 113,280.66 and 31,188.74 is: 46,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,586.68 : 113,280.66 = 31,188.74 : x
  2. Step 2: Convert to fraction form
    75,586.68/113,280.66 = 31,188.74/x
  3. Step 3: Cross multiply
    75,586.68x = 113,280.66 × 31,188.74
  4. Step 4: Simplify right side
    75,586.68x = 3,533,080,485.37
  5. Step 5: Solve for x
    x = 3,533,080,485.37/75,586.68
  6. Step 6: Final answer
    x = 46,742.10

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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.