Home / 85,953.72-118,614.36-47,711.04

Finding the Fourth Proportional to 85,953.72, 118,614.36 and 47,711.04

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Solution

The fourth proportional to 85,953.72, 118,614.36 and 47,711.04 is: 65,840.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,953.72 : 118,614.36 = 47,711.04 : x
  2. Step 2: Convert to fraction form
    85,953.72/118,614.36 = 47,711.04/x
  3. Step 3: Cross multiply
    85,953.72x = 118,614.36 × 47,711.04
  4. Step 4: Simplify right side
    85,953.72x = 5,659,214,474.53
  5. Step 5: Solve for x
    x = 5,659,214,474.53/85,953.72
  6. Step 6: Final answer
    x = 65,840.25

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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.