Home / 92,873.24-139,333.44-42,989.32

Finding the Fourth Proportional to 92,873.24, 139,333.44 and 42,989.32

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Solution

The fourth proportional to 92,873.24, 139,333.44 and 42,989.32 is: 64,494.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,873.24 : 139,333.44 = 42,989.32 : x
  2. Step 2: Convert to fraction form
    92,873.24/139,333.44 = 42,989.32/x
  3. Step 3: Cross multiply
    92,873.24x = 139,333.44 × 42,989.32
  4. Step 4: Simplify right side
    92,873.24x = 5,989,849,838.86
  5. Step 5: Solve for x
    x = 5,989,849,838.86/92,873.24
  6. Step 6: Final answer
    x = 64,494.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.