Home / 85,548.15-118,085.85-49,749.39

Finding the Fourth Proportional to 85,548.15, 118,085.85 and 49,749.39

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Solution

The fourth proportional to 85,548.15, 118,085.85 and 49,749.39 is: 68,671.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,548.15 : 118,085.85 = 49,749.39 : x
  2. Step 2: Convert to fraction form
    85,548.15/118,085.85 = 49,749.39/x
  3. Step 3: Cross multiply
    85,548.15x = 118,085.85 × 49,749.39
  4. Step 4: Simplify right side
    85,548.15x = 5,874,699,005.13
  5. Step 5: Solve for x
    x = 5,874,699,005.13/85,548.15
  6. Step 6: Final answer
    x = 68,671.26

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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.