Home / 94,722.09-130,716.48-64,560.10

Finding the Fourth Proportional to 94,722.09, 130,716.48 and 64,560.10

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Solution

The fourth proportional to 94,722.09, 130,716.48 and 64,560.10 is: 89,092.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,722.09 : 130,716.48 = 64,560.10 : x
  2. Step 2: Convert to fraction form
    94,722.09/130,716.48 = 64,560.10/x
  3. Step 3: Cross multiply
    94,722.09x = 130,716.48 × 64,560.10
  4. Step 4: Simplify right side
    94,722.09x = 8,439,069,020.45
  5. Step 5: Solve for x
    x = 8,439,069,020.45/94,722.09
  6. Step 6: Final answer
    x = 89,092.94

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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.