Home / 78,559.93-117,840.99-22,400.06

Finding the Fourth Proportional to 78,559.93, 117,840.99 and 22,400.06

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Solution

The fourth proportional to 78,559.93, 117,840.99 and 22,400.06 is: 33,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,559.93 : 117,840.99 = 22,400.06 : x
  2. Step 2: Convert to fraction form
    78,559.93/117,840.99 = 22,400.06/x
  3. Step 3: Cross multiply
    78,559.93x = 117,840.99 × 22,400.06
  4. Step 4: Simplify right side
    78,559.93x = 2,639,645,246.46
  5. Step 5: Solve for x
    x = 2,639,645,246.46/78,559.93
  6. Step 6: Final answer
    x = 33,600.40

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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.