Home / 64,999.40-89,703.33-38,132.12

Finding the Fourth Proportional to 64,999.40, 89,703.33 and 38,132.12

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Solution

The fourth proportional to 64,999.40, 89,703.33 and 38,132.12 is: 52,624.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,999.40 : 89,703.33 = 38,132.12 : x
  2. Step 2: Convert to fraction form
    64,999.40/89,703.33 = 38,132.12/x
  3. Step 3: Cross multiply
    64,999.40x = 89,703.33 × 38,132.12
  4. Step 4: Simplify right side
    64,999.40x = 3,420,578,143.96
  5. Step 5: Solve for x
    x = 3,420,578,143.96/64,999.40
  6. Step 6: Final answer
    x = 52,624.76

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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.