Home / 92,345.32-138,462.49-36,118.36

Finding the Fourth Proportional to 92,345.32, 138,462.49 and 36,118.36

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Solution

The fourth proportional to 92,345.32, 138,462.49 and 36,118.36 is: 54,155.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,345.32 : 138,462.49 = 36,118.36 : x
  2. Step 2: Convert to fraction form
    92,345.32/138,462.49 = 36,118.36/x
  3. Step 3: Cross multiply
    92,345.32x = 138,462.49 × 36,118.36
  4. Step 4: Simplify right side
    92,345.32x = 5,001,038,060.32
  5. Step 5: Solve for x
    x = 5,001,038,060.32/92,345.32
  6. Step 6: Final answer
    x = 54,155.84

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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.