Home / 85,105.60-117,444.74-46,864.35

Finding the Fourth Proportional to 85,105.60, 117,444.74 and 46,864.35

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Solution

The fourth proportional to 85,105.60, 117,444.74 and 46,864.35 is: 64,672.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,105.60 : 117,444.74 = 46,864.35 : x
  2. Step 2: Convert to fraction form
    85,105.60/117,444.74 = 46,864.35/x
  3. Step 3: Cross multiply
    85,105.60x = 117,444.74 × 46,864.35
  4. Step 4: Simplify right side
    85,105.60x = 5,503,971,166.70
  5. Step 5: Solve for x
    x = 5,503,971,166.70/85,105.60
  6. Step 6: Final answer
    x = 64,672.26

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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.