Home / 93,381.22-128,876.88-51,992.38

Finding the Fourth Proportional to 93,381.22, 128,876.88 and 51,992.38

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Solution

The fourth proportional to 93,381.22, 128,876.88 and 51,992.38 is: 71,755.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,381.22 : 128,876.88 = 51,992.38 : x
  2. Step 2: Convert to fraction form
    93,381.22/128,876.88 = 51,992.38/x
  3. Step 3: Cross multiply
    93,381.22x = 128,876.88 × 51,992.38
  4. Step 4: Simplify right side
    93,381.22x = 6,700,615,718.17
  5. Step 5: Solve for x
    x = 6,700,615,718.17/93,381.22
  6. Step 6: Final answer
    x = 71,755.50

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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.