Home / 112,392.08-155,104.20-62,094.32

Finding the Fourth Proportional to 112,392.08, 155,104.20 and 62,094.32

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Solution

The fourth proportional to 112,392.08, 155,104.20 and 62,094.32 is: 85,691.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,392.08 : 155,104.20 = 62,094.32 : x
  2. Step 2: Convert to fraction form
    112,392.08/155,104.20 = 62,094.32/x
  3. Step 3: Cross multiply
    112,392.08x = 155,104.20 × 62,094.32
  4. Step 4: Simplify right side
    112,392.08x = 9,631,089,828.14
  5. Step 5: Solve for x
    x = 9,631,089,828.14/112,392.08
  6. Step 6: Final answer
    x = 85,691.89

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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.