Home / 74,368.08-111,521.52-36,914.40

Finding the Fourth Proportional to 74,368.08, 111,521.52 and 36,914.40

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Solution

The fourth proportional to 74,368.08, 111,521.52 and 36,914.40 is: 55,356.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,368.08 : 111,521.52 = 36,914.40 : x
  2. Step 2: Convert to fraction form
    74,368.08/111,521.52 = 36,914.40/x
  3. Step 3: Cross multiply
    74,368.08x = 111,521.52 × 36,914.40
  4. Step 4: Simplify right side
    74,368.08x = 4,116,749,997.89
  5. Step 5: Solve for x
    x = 4,116,749,997.89/74,368.08
  6. Step 6: Final answer
    x = 55,356.41

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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.