Home / 87,772.01-121,125.04-47,485.64

Finding the Fourth Proportional to 87,772.01, 121,125.04 and 47,485.64

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Solution

The fourth proportional to 87,772.01, 121,125.04 and 47,485.64 is: 65,530.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,772.01 : 121,125.04 = 47,485.64 : x
  2. Step 2: Convert to fraction form
    87,772.01/121,125.04 = 47,485.64/x
  3. Step 3: Cross multiply
    87,772.01x = 121,125.04 × 47,485.64
  4. Step 4: Simplify right side
    87,772.01x = 5,751,700,228.52
  5. Step 5: Solve for x
    x = 5,751,700,228.52/87,772.01
  6. Step 6: Final answer
    x = 65,530.01

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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.