Home / 78,837.84-118,154.08-32,036

Finding the Fourth Proportional to 78,837.84, 118,154.08 and 32,036

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Solution

The fourth proportional to 78,837.84, 118,154.08 and 32,036 is: 48,012.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,837.84 : 118,154.08 = 32,036 : x
  2. Step 2: Convert to fraction form
    78,837.84/118,154.08 = 32,036/x
  3. Step 3: Cross multiply
    78,837.84x = 118,154.08 × 32,036
  4. Step 4: Simplify right side
    78,837.84x = 3,785,184,106.88
  5. Step 5: Solve for x
    x = 3,785,184,106.88/78,837.84
  6. Step 6: Final answer
    x = 48,012.28

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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.