Home / 92,981.02-128,310.20-50,538.64

Finding the Fourth Proportional to 92,981.02, 128,310.20 and 50,538.64

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Solution

The fourth proportional to 92,981.02, 128,310.20 and 50,538.64 is: 69,741.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,981.02 : 128,310.20 = 50,538.64 : x
  2. Step 2: Convert to fraction form
    92,981.02/128,310.20 = 50,538.64/x
  3. Step 3: Cross multiply
    92,981.02x = 128,310.20 × 50,538.64
  4. Step 4: Simplify right side
    92,981.02x = 6,484,623,006.13
  5. Step 5: Solve for x
    x = 6,484,623,006.13/92,981.02
  6. Step 6: Final answer
    x = 69,741.36

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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.