Home / 78,442.23-108,249.98-46,195.59

Finding the Fourth Proportional to 78,442.23, 108,249.98 and 46,195.59

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Solution

The fourth proportional to 78,442.23, 108,249.98 and 46,195.59 is: 63,749.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,442.23 : 108,249.98 = 46,195.59 : x
  2. Step 2: Convert to fraction form
    78,442.23/108,249.98 = 46,195.59/x
  3. Step 3: Cross multiply
    78,442.23x = 108,249.98 × 46,195.59
  4. Step 4: Simplify right side
    78,442.23x = 5,000,671,462.61
  5. Step 5: Solve for x
    x = 5,000,671,462.61/78,442.23
  6. Step 6: Final answer
    x = 63,749.74

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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.