Home / 61,110.81-84,332.16-34,253.28

Finding the Fourth Proportional to 61,110.81, 84,332.16 and 34,253.28

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Solution

The fourth proportional to 61,110.81, 84,332.16 and 34,253.28 is: 47,269.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,110.81 : 84,332.16 = 34,253.28 : x
  2. Step 2: Convert to fraction form
    61,110.81/84,332.16 = 34,253.28/x
  3. Step 3: Cross multiply
    61,110.81x = 84,332.16 × 34,253.28
  4. Step 4: Simplify right side
    61,110.81x = 2,888,653,089.48
  5. Step 5: Solve for x
    x = 2,888,653,089.48/61,110.81
  6. Step 6: Final answer
    x = 47,269.10

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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.