Home / 85,905.01-118,552.91-53,658.72

Finding the Fourth Proportional to 85,905.01, 118,552.91 and 53,658.72

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Solution

The fourth proportional to 85,905.01, 118,552.91 and 53,658.72 is: 74,051.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,905.01 : 118,552.91 = 53,658.72 : x
  2. Step 2: Convert to fraction form
    85,905.01/118,552.91 = 53,658.72/x
  3. Step 3: Cross multiply
    85,905.01x = 118,552.91 × 53,658.72
  4. Step 4: Simplify right side
    85,905.01x = 6,361,397,134.58
  5. Step 5: Solve for x
    x = 6,361,397,134.58/85,905.01
  6. Step 6: Final answer
    x = 74,051.53

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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.