Home / 85,848.39-118,472.22-47,609.57

Finding the Fourth Proportional to 85,848.39, 118,472.22 and 47,609.57

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Solution

The fourth proportional to 85,848.39, 118,472.22 and 47,609.57 is: 65,702.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,848.39 : 118,472.22 = 47,609.57 : x
  2. Step 2: Convert to fraction form
    85,848.39/118,472.22 = 47,609.57/x
  3. Step 3: Cross multiply
    85,848.39x = 118,472.22 × 47,609.57
  4. Step 4: Simplify right side
    85,848.39x = 5,640,411,747.33
  5. Step 5: Solve for x
    x = 5,640,411,747.33/85,848.39
  6. Step 6: Final answer
    x = 65,702.01

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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.