Home / 87,054.02-130,551.26-57,275.60

Finding the Fourth Proportional to 87,054.02, 130,551.26 and 57,275.60

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Solution

The fourth proportional to 87,054.02, 130,551.26 and 57,275.60 is: 85,893.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,054.02 : 130,551.26 = 57,275.60 : x
  2. Step 2: Convert to fraction form
    87,054.02/130,551.26 = 57,275.60/x
  3. Step 3: Cross multiply
    87,054.02x = 130,551.26 × 57,275.60
  4. Step 4: Simplify right side
    87,054.02x = 7,477,401,747.26
  5. Step 5: Solve for x
    x = 7,477,401,747.26/87,054.02
  6. Step 6: Final answer
    x = 85,893.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.