Home / 52,293.06-78,438.90-12,850.52

Finding the Fourth Proportional to 52,293.06, 78,438.90 and 12,850.52

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Solution

The fourth proportional to 52,293.06, 78,438.90 and 12,850.52 is: 19,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,293.06 : 78,438.90 = 12,850.52 : x
  2. Step 2: Convert to fraction form
    52,293.06/78,438.90 = 12,850.52/x
  3. Step 3: Cross multiply
    52,293.06x = 78,438.90 × 12,850.52
  4. Step 4: Simplify right side
    52,293.06x = 1,007,980,261.03
  5. Step 5: Solve for x
    x = 1,007,980,261.03/52,293.06
  6. Step 6: Final answer
    x = 19,275.60

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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.