Home / 85,587.03-118,110.33-47,861.28

Finding the Fourth Proportional to 85,587.03, 118,110.33 and 47,861.28

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Solution

The fourth proportional to 85,587.03, 118,110.33 and 47,861.28 is: 66,048.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,587.03 : 118,110.33 = 47,861.28 : x
  2. Step 2: Convert to fraction form
    85,587.03/118,110.33 = 47,861.28/x
  3. Step 3: Cross multiply
    85,587.03x = 118,110.33 × 47,861.28
  4. Step 4: Simplify right side
    85,587.03x = 5,652,911,575.02
  5. Step 5: Solve for x
    x = 5,652,911,575.02/85,587.03
  6. Step 6: Final answer
    x = 66,048.69

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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.