Home / 70,339.36-96,999.20-64,504.55

Finding the Fourth Proportional to 70,339.36, 96,999.20 and 64,504.55

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Solution

The fourth proportional to 70,339.36, 96,999.20 and 64,504.55 is: 88,952.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,339.36 : 96,999.20 = 64,504.55 : x
  2. Step 2: Convert to fraction form
    70,339.36/96,999.20 = 64,504.55/x
  3. Step 3: Cross multiply
    70,339.36x = 96,999.20 × 64,504.55
  4. Step 4: Simplify right side
    70,339.36x = 6,256,889,666.34
  5. Step 5: Solve for x
    x = 6,256,889,666.34/70,339.36
  6. Step 6: Final answer
    x = 88,952.90

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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.