Home / 65,861.28-90,901.98-44,647.38

Finding the Fourth Proportional to 65,861.28, 90,901.98 and 44,647.38

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Solution

The fourth proportional to 65,861.28, 90,901.98 and 44,647.38 is: 61,622.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,861.28 : 90,901.98 = 44,647.38 : x
  2. Step 2: Convert to fraction form
    65,861.28/90,901.98 = 44,647.38/x
  3. Step 3: Cross multiply
    65,861.28x = 90,901.98 × 44,647.38
  4. Step 4: Simplify right side
    65,861.28x = 4,058,535,243.81
  5. Step 5: Solve for x
    x = 4,058,535,243.81/65,861.28
  6. Step 6: Final answer
    x = 61,622.48

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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.