Home / 92,974.02-128,300.54-50,531.64

Finding the Fourth Proportional to 92,974.02, 128,300.54 and 50,531.64

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Solution

The fourth proportional to 92,974.02, 128,300.54 and 50,531.64 is: 69,731.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,974.02 : 128,300.54 = 50,531.64 : x
  2. Step 2: Convert to fraction form
    92,974.02/128,300.54 = 50,531.64/x
  3. Step 3: Cross multiply
    92,974.02x = 128,300.54 × 50,531.64
  4. Step 4: Simplify right side
    92,974.02x = 6,483,236,446.43
  5. Step 5: Solve for x
    x = 6,483,236,446.43/92,974.02
  6. Step 6: Final answer
    x = 69,731.70

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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.