Home / 78,023.04-116,937.24-35,858.28

Finding the Fourth Proportional to 78,023.04, 116,937.24 and 35,858.28

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Solution

The fourth proportional to 78,023.04, 116,937.24 and 35,858.28 is: 53,742.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,023.04 : 116,937.24 = 35,858.28 : x
  2. Step 2: Convert to fraction form
    78,023.04/116,937.24 = 35,858.28/x
  3. Step 3: Cross multiply
    78,023.04x = 116,937.24 × 35,858.28
  4. Step 4: Simplify right side
    78,023.04x = 4,193,168,294.35
  5. Step 5: Solve for x
    x = 4,193,168,294.35/78,023.04
  6. Step 6: Final answer
    x = 53,742.69

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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.