Home / 69,990.12-96,587.37-38,160.63

Finding the Fourth Proportional to 69,990.12, 96,587.37 and 38,160.63

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Solution

The fourth proportional to 69,990.12, 96,587.37 and 38,160.63 is: 52,662.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,990.12 : 96,587.37 = 38,160.63 : x
  2. Step 2: Convert to fraction form
    69,990.12/96,587.37 = 38,160.63/x
  3. Step 3: Cross multiply
    69,990.12x = 96,587.37 × 38,160.63
  4. Step 4: Simplify right side
    69,990.12x = 3,685,834,889.24
  5. Step 5: Solve for x
    x = 3,685,834,889.24/69,990.12
  6. Step 6: Final answer
    x = 52,662.22

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1.5x scale

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.