Home / 65,541.32-90,376.98-43,146.44

Finding the Fourth Proportional to 65,541.32, 90,376.98 and 43,146.44

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Solution

The fourth proportional to 65,541.32, 90,376.98 and 43,146.44 is: 59,495.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,541.32 : 90,376.98 = 43,146.44 : x
  2. Step 2: Convert to fraction form
    65,541.32/90,376.98 = 43,146.44/x
  3. Step 3: Cross multiply
    65,541.32x = 90,376.98 × 43,146.44
  4. Step 4: Simplify right side
    65,541.32x = 3,899,444,944.95
  5. Step 5: Solve for x
    x = 3,899,444,944.95/65,541.32
  6. Step 6: Final answer
    x = 59,495.98

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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.