Home / 61,979.13-85,533.29-34,756.38

Finding the Fourth Proportional to 61,979.13, 85,533.29 and 34,756.38

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Solution

The fourth proportional to 61,979.13, 85,533.29 and 34,756.38 is: 47,964.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,979.13 : 85,533.29 = 34,756.38 : x
  2. Step 2: Convert to fraction form
    61,979.13/85,533.29 = 34,756.38/x
  3. Step 3: Cross multiply
    61,979.13x = 85,533.29 × 34,756.38
  4. Step 4: Simplify right side
    61,979.13x = 2,972,827,356.11
  5. Step 5: Solve for x
    x = 2,972,827,356.11/61,979.13
  6. Step 6: Final answer
    x = 47,964.97

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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.