Home / 60,888.16-91,340.84-18,771.67

Finding the Fourth Proportional to 60,888.16, 91,340.84 and 18,771.67

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Solution

The fourth proportional to 60,888.16, 91,340.84 and 18,771.67 is: 28,160.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,888.16 : 91,340.84 = 18,771.67 : x
  2. Step 2: Convert to fraction form
    60,888.16/91,340.84 = 18,771.67/x
  3. Step 3: Cross multiply
    60,888.16x = 91,340.84 × 18,771.67
  4. Step 4: Simplify right side
    60,888.16x = 1,714,619,649.30
  5. Step 5: Solve for x
    x = 1,714,619,649.30/60,888.16
  6. Step 6: Final answer
    x = 28,160.15

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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.