Home / 65,474.93-90,331.74-42,826.86

Finding the Fourth Proportional to 65,474.93, 90,331.74 and 42,826.86

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Solution

The fourth proportional to 65,474.93, 90,331.74 and 42,826.86 is: 59,085.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,474.93 : 90,331.74 = 42,826.86 : x
  2. Step 2: Convert to fraction form
    65,474.93/90,331.74 = 42,826.86/x
  3. Step 3: Cross multiply
    65,474.93x = 90,331.74 × 42,826.86
  4. Step 4: Simplify right side
    65,474.93x = 3,868,624,782.54
  5. Step 5: Solve for x
    x = 3,868,624,782.54/65,474.93
  6. Step 6: Final answer
    x = 59,085.59

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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.