Home / 65,209.10-97,813.65-43,321.10

Finding the Fourth Proportional to 65,209.10, 97,813.65 and 43,321.10

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Solution

The fourth proportional to 65,209.10, 97,813.65 and 43,321.10 is: 64,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,209.10 : 97,813.65 = 43,321.10 : x
  2. Step 2: Convert to fraction form
    65,209.10/97,813.65 = 43,321.10/x
  3. Step 3: Cross multiply
    65,209.10x = 97,813.65 × 43,321.10
  4. Step 4: Simplify right side
    65,209.10x = 4,237,394,913.02
  5. Step 5: Solve for x
    x = 4,237,394,913.02/65,209.10
  6. Step 6: Final answer
    x = 64,981.65

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1.5x scale

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.