Home / 94,471.12-130,379.36-70,556.28

Finding the Fourth Proportional to 94,471.12, 130,379.36 and 70,556.28

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Solution

The fourth proportional to 94,471.12, 130,379.36 and 70,556.28 is: 97,374.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,471.12 : 130,379.36 = 70,556.28 : x
  2. Step 2: Convert to fraction form
    94,471.12/130,379.36 = 70,556.28/x
  3. Step 3: Cross multiply
    94,471.12x = 130,379.36 × 70,556.28
  4. Step 4: Simplify right side
    94,471.12x = 9,199,081,625.70
  5. Step 5: Solve for x
    x = 9,199,081,625.70/94,471.12
  6. Step 6: Final answer
    x = 97,374.54

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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.