Home / 89,330.55-123,278.10-51,093.63

Finding the Fourth Proportional to 89,330.55, 123,278.10 and 51,093.63

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Solution

The fourth proportional to 89,330.55, 123,278.10 and 51,093.63 is: 70,510.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,330.55 : 123,278.10 = 51,093.63 : x
  2. Step 2: Convert to fraction form
    89,330.55/123,278.10 = 51,093.63/x
  3. Step 3: Cross multiply
    89,330.55x = 123,278.10 × 51,093.63
  4. Step 4: Simplify right side
    89,330.55x = 6,298,725,628.50
  5. Step 5: Solve for x
    x = 6,298,725,628.50/89,330.55
  6. Step 6: Final answer
    x = 70,510.32

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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.