Home / 60,685.48-91,015.26-19,122.76

Finding the Fourth Proportional to 60,685.48, 91,015.26 and 19,122.76

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Solution

The fourth proportional to 60,685.48, 91,015.26 and 19,122.76 is: 28,680.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,685.48 : 91,015.26 = 19,122.76 : x
  2. Step 2: Convert to fraction form
    60,685.48/91,015.26 = 19,122.76/x
  3. Step 3: Cross multiply
    60,685.48x = 91,015.26 × 19,122.76
  4. Step 4: Simplify right side
    60,685.48x = 1,740,462,973.32
  5. Step 5: Solve for x
    x = 1,740,462,973.32/60,685.48
  6. Step 6: Final answer
    x = 28,680.06

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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.