Home / 85,601.16-118,133.06-47,360.03

Finding the Fourth Proportional to 85,601.16, 118,133.06 and 47,360.03

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Solution

The fourth proportional to 85,601.16, 118,133.06 and 47,360.03 is: 65,358.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,601.16 : 118,133.06 = 47,360.03 : x
  2. Step 2: Convert to fraction form
    85,601.16/118,133.06 = 47,360.03/x
  3. Step 3: Cross multiply
    85,601.16x = 118,133.06 × 47,360.03
  4. Step 4: Simplify right side
    85,601.16x = 5,594,784,438.13
  5. Step 5: Solve for x
    x = 5,594,784,438.13/85,601.16
  6. Step 6: Final answer
    x = 65,358.75

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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.