Home / 65,027.02-89,734.53-40,840.62

Finding the Fourth Proportional to 65,027.02, 89,734.53 and 40,840.62

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Solution

The fourth proportional to 65,027.02, 89,734.53 and 40,840.62 is: 56,358.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,027.02 : 89,734.53 = 40,840.62 : x
  2. Step 2: Convert to fraction form
    65,027.02/89,734.53 = 40,840.62/x
  3. Step 3: Cross multiply
    65,027.02x = 89,734.53 × 40,840.62
  4. Step 4: Simplify right side
    65,027.02x = 3,664,813,636.41
  5. Step 5: Solve for x
    x = 3,664,813,636.41/65,027.02
  6. Step 6: Final answer
    x = 56,358.32

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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.