Home / 57,014.68-78,702.18-51,035.80

Finding the Fourth Proportional to 57,014.68, 78,702.18 and 51,035.80

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Solution

The fourth proportional to 57,014.68, 78,702.18 and 51,035.80 is: 70,449.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,014.68 : 78,702.18 = 51,035.80 : x
  2. Step 2: Convert to fraction form
    57,014.68/78,702.18 = 51,035.80/x
  3. Step 3: Cross multiply
    57,014.68x = 78,702.18 × 51,035.80
  4. Step 4: Simplify right side
    57,014.68x = 4,016,628,718.04
  5. Step 5: Solve for x
    x = 4,016,628,718.04/57,014.68
  6. Step 6: Final answer
    x = 70,449.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.