Home / 85,737.36-118,314.24-48,009.68

Finding the Fourth Proportional to 85,737.36, 118,314.24 and 48,009.68

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Solution

The fourth proportional to 85,737.36, 118,314.24 and 48,009.68 is: 66,251.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,737.36 : 118,314.24 = 48,009.68 : x
  2. Step 2: Convert to fraction form
    85,737.36/118,314.24 = 48,009.68/x
  3. Step 3: Cross multiply
    85,737.36x = 118,314.24 × 48,009.68
  4. Step 4: Simplify right side
    85,737.36x = 5,680,228,801.84
  5. Step 5: Solve for x
    x = 5,680,228,801.84/85,737.36
  6. Step 6: Final answer
    x = 66,251.50

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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.