Home / 86,708.02-130,059.08-36,755.98

Finding the Fourth Proportional to 86,708.02, 130,059.08 and 36,755.98

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Solution

The fourth proportional to 86,708.02, 130,059.08 and 36,755.98 is: 55,132.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,708.02 : 130,059.08 = 36,755.98 : x
  2. Step 2: Convert to fraction form
    86,708.02/130,059.08 = 36,755.98/x
  3. Step 3: Cross multiply
    86,708.02x = 130,059.08 × 36,755.98
  4. Step 4: Simplify right side
    86,708.02x = 4,780,448,943.30
  5. Step 5: Solve for x
    x = 4,780,448,943.30/86,708.02
  6. Step 6: Final answer
    x = 55,132.72

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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.