Home / 87,055.02-130,552.76-57,276.60

Finding the Fourth Proportional to 87,055.02, 130,552.76 and 57,276.60

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Solution

The fourth proportional to 87,055.02, 130,552.76 and 57,276.60 is: 85,895.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,055.02 : 130,552.76 = 57,276.60 : x
  2. Step 2: Convert to fraction form
    87,055.02/130,552.76 = 57,276.60/x
  3. Step 3: Cross multiply
    87,055.02x = 130,552.76 × 57,276.60
  4. Step 4: Simplify right side
    87,055.02x = 7,477,618,213.42
  5. Step 5: Solve for x
    x = 7,477,618,213.42/87,055.02
  6. Step 6: Final answer
    x = 85,895.31

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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.