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Finding the Fourth Proportional to 65,802.24, 90,790.88 and 44,573.76

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Solution

The fourth proportional to 65,802.24, 90,790.88 and 44,573.76 is: 61,500.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,802.24 : 90,790.88 = 44,573.76 : x
  2. Step 2: Convert to fraction form
    65,802.24/90,790.88 = 44,573.76/x
  3. Step 3: Cross multiply
    65,802.24x = 90,790.88 × 44,573.76
  4. Step 4: Simplify right side
    65,802.24x = 4,046,890,895.31
  5. Step 5: Solve for x
    x = 4,046,890,895.31/65,802.24
  6. Step 6: Final answer
    x = 61,500.81

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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.