Home / 85,946.27-118,603.55-47,705.69

Finding the Fourth Proportional to 85,946.27, 118,603.55 and 47,705.69

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Solution

The fourth proportional to 85,946.27, 118,603.55 and 47,705.69 is: 65,832.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,946.27 : 118,603.55 = 47,705.69 : x
  2. Step 2: Convert to fraction form
    85,946.27/118,603.55 = 47,705.69/x
  3. Step 3: Cross multiply
    85,946.27x = 118,603.55 × 47,705.69
  4. Step 4: Simplify right side
    85,946.27x = 5,658,064,604.97
  5. Step 5: Solve for x
    x = 5,658,064,604.97/85,946.27
  6. Step 6: Final answer
    x = 65,832.58

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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.