Home / 65,045.10-97,640.55-50,319.30

Finding the Fourth Proportional to 65,045.10, 97,640.55 and 50,319.30

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Solution

The fourth proportional to 65,045.10, 97,640.55 and 50,319.30 is: 75,535.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,045.10 : 97,640.55 = 50,319.30 : x
  2. Step 2: Convert to fraction form
    65,045.10/97,640.55 = 50,319.30/x
  3. Step 3: Cross multiply
    65,045.10x = 97,640.55 × 50,319.30
  4. Step 4: Simplify right side
    65,045.10x = 4,913,204,127.62
  5. Step 5: Solve for x
    x = 4,913,204,127.62/65,045.10
  6. Step 6: Final answer
    x = 75,535.35

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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.