Home / 78,509.07-117,745.91-22,347.93

Finding the Fourth Proportional to 78,509.07, 117,745.91 and 22,347.93

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Solution

The fourth proportional to 78,509.07, 117,745.91 and 22,347.93 is: 33,516.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,509.07 : 117,745.91 = 22,347.93 : x
  2. Step 2: Convert to fraction form
    78,509.07/117,745.91 = 22,347.93/x
  3. Step 3: Cross multiply
    78,509.07x = 117,745.91 × 22,347.93
  4. Step 4: Simplify right side
    78,509.07x = 2,631,377,354.47
  5. Step 5: Solve for x
    x = 2,631,377,354.47/78,509.07
  6. Step 6: Final answer
    x = 33,516.86

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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.