Home / 93,377.22-128,871.32-51,988.38

Finding the Fourth Proportional to 93,377.22, 128,871.32 and 51,988.38

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Solution

The fourth proportional to 93,377.22, 128,871.32 and 51,988.38 is: 71,749.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,377.22 : 128,871.32 = 51,988.38 : x
  2. Step 2: Convert to fraction form
    93,377.22/128,871.32 = 51,988.38/x
  3. Step 3: Cross multiply
    93,377.22x = 128,871.32 × 51,988.38
  4. Step 4: Simplify right side
    93,377.22x = 6,699,810,895.32
  5. Step 5: Solve for x
    x = 6,699,810,895.32/93,377.22
  6. Step 6: Final answer
    x = 71,749.95

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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.