Home / 56,072.72-77,386.52-34,558.11

Finding the Fourth Proportional to 56,072.72, 77,386.52 and 34,558.11

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Solution

The fourth proportional to 56,072.72, 77,386.52 and 34,558.11 is: 47,693.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,072.72 : 77,386.52 = 34,558.11 : x
  2. Step 2: Convert to fraction form
    56,072.72/77,386.52 = 34,558.11/x
  3. Step 3: Cross multiply
    56,072.72x = 77,386.52 × 34,558.11
  4. Step 4: Simplify right side
    56,072.72x = 2,674,331,957.07
  5. Step 5: Solve for x
    x = 2,674,331,957.07/56,072.72
  6. Step 6: Final answer
    x = 47,693.99

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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.