Home / 65,697.35-90,555.84-51,332.06

Finding the Fourth Proportional to 65,697.35, 90,555.84 and 51,332.06

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Solution

The fourth proportional to 65,697.35, 90,555.84 and 51,332.06 is: 70,755.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,697.35 : 90,555.84 = 51,332.06 : x
  2. Step 2: Convert to fraction form
    65,697.35/90,555.84 = 51,332.06/x
  3. Step 3: Cross multiply
    65,697.35x = 90,555.84 × 51,332.06
  4. Step 4: Simplify right side
    65,697.35x = 4,648,418,038.62
  5. Step 5: Solve for x
    x = 4,648,418,038.62/65,697.35
  6. Step 6: Final answer
    x = 70,755.04

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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.