Home / 64,986.30-97,479.45-42,824.70

Finding the Fourth Proportional to 64,986.30, 97,479.45 and 42,824.70

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Solution

The fourth proportional to 64,986.30, 97,479.45 and 42,824.70 is: 64,237.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,986.30 : 97,479.45 = 42,824.70 : x
  2. Step 2: Convert to fraction form
    64,986.30/97,479.45 = 42,824.70/x
  3. Step 3: Cross multiply
    64,986.30x = 97,479.45 × 42,824.70
  4. Step 4: Simplify right side
    64,986.30x = 4,174,528,202.42
  5. Step 5: Solve for x
    x = 4,174,528,202.42/64,986.30
  6. Step 6: Final answer
    x = 64,237.05

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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.