Home / 86,700.24-130,053.02-23,520.11

Finding the Fourth Proportional to 86,700.24, 130,053.02 and 23,520.11

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Solution

The fourth proportional to 86,700.24, 130,053.02 and 23,520.11 is: 35,280.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,700.24 : 130,053.02 = 23,520.11 : x
  2. Step 2: Convert to fraction form
    86,700.24/130,053.02 = 23,520.11/x
  3. Step 3: Cross multiply
    86,700.24x = 130,053.02 × 23,520.11
  4. Step 4: Simplify right side
    86,700.24x = 3,058,861,336.23
  5. Step 5: Solve for x
    x = 3,058,861,336.23/86,700.24
  6. Step 6: Final answer
    x = 35,280.89

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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.