Home / 55,294.68-76,307.81-31,096.11

Finding the Fourth Proportional to 55,294.68, 76,307.81 and 31,096.11

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Solution

The fourth proportional to 55,294.68, 76,307.81 and 31,096.11 is: 42,913.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,294.68 : 76,307.81 = 31,096.11 : x
  2. Step 2: Convert to fraction form
    55,294.68/76,307.81 = 31,096.11/x
  3. Step 3: Cross multiply
    55,294.68x = 76,307.81 × 31,096.11
  4. Step 4: Simplify right side
    55,294.68x = 2,372,875,898.14
  5. Step 5: Solve for x
    x = 2,372,875,898.14/55,294.68
  6. Step 6: Final answer
    x = 42,913.28

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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.