Home / 85,818.75-118,436.36-48,095.43

Finding the Fourth Proportional to 85,818.75, 118,436.36 and 48,095.43

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Solution

The fourth proportional to 85,818.75, 118,436.36 and 48,095.43 is: 66,375.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,818.75 : 118,436.36 = 48,095.43 : x
  2. Step 2: Convert to fraction form
    85,818.75/118,436.36 = 48,095.43/x
  3. Step 3: Cross multiply
    85,818.75x = 118,436.36 × 48,095.43
  4. Step 4: Simplify right side
    85,818.75x = 5,696,247,421.36
  5. Step 5: Solve for x
    x = 5,696,247,421.36/85,818.75
  6. Step 6: Final answer
    x = 66,375.32

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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.