Home / 74,973.11-112,362.78-56,105.10

Finding the Fourth Proportional to 74,973.11, 112,362.78 and 56,105.10

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Solution

The fourth proportional to 74,973.11, 112,362.78 and 56,105.10 is: 84,085.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,973.11 : 112,362.78 = 56,105.10 : x
  2. Step 2: Convert to fraction form
    74,973.11/112,362.78 = 56,105.10/x
  3. Step 3: Cross multiply
    74,973.11x = 112,362.78 × 56,105.10
  4. Step 4: Simplify right side
    74,973.11x = 6,304,125,289.08
  5. Step 5: Solve for x
    x = 6,304,125,289.08/74,973.11
  6. Step 6: Final answer
    x = 84,085.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.