Home / 85,207.18-117,580.93-48,900.24

Finding the Fourth Proportional to 85,207.18, 117,580.93 and 48,900.24

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Solution

The fourth proportional to 85,207.18, 117,580.93 and 48,900.24 is: 67,479.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,207.18 : 117,580.93 = 48,900.24 : x
  2. Step 2: Convert to fraction form
    85,207.18/117,580.93 = 48,900.24/x
  3. Step 3: Cross multiply
    85,207.18x = 117,580.93 × 48,900.24
  4. Step 4: Simplify right side
    85,207.18x = 5,749,735,696.42
  5. Step 5: Solve for x
    x = 5,749,735,696.42/85,207.18
  6. Step 6: Final answer
    x = 67,479.47

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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.