Home / 65,808.66-98,712.99-19,061.55

Finding the Fourth Proportional to 65,808.66, 98,712.99 and 19,061.55

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Solution

The fourth proportional to 65,808.66, 98,712.99 and 19,061.55 is: 28,592.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,808.66 : 98,712.99 = 19,061.55 : x
  2. Step 2: Convert to fraction form
    65,808.66/98,712.99 = 19,061.55/x
  3. Step 3: Cross multiply
    65,808.66x = 98,712.99 × 19,061.55
  4. Step 4: Simplify right side
    65,808.66x = 1,881,622,594.53
  5. Step 5: Solve for x
    x = 1,881,622,594.53/65,808.66
  6. Step 6: Final answer
    x = 28,592.33

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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.