Home / 75,152.04-103,686.30-43,316.64

Finding the Fourth Proportional to 75,152.04, 103,686.30 and 43,316.64

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Solution

The fourth proportional to 75,152.04, 103,686.30 and 43,316.64 is: 59,763.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,152.04 : 103,686.30 = 43,316.64 : x
  2. Step 2: Convert to fraction form
    75,152.04/103,686.30 = 43,316.64/x
  3. Step 3: Cross multiply
    75,152.04x = 103,686.30 × 43,316.64
  4. Step 4: Simplify right side
    75,152.04x = 4,491,342,130.03
  5. Step 5: Solve for x
    x = 4,491,342,130.03/75,152.04
  6. Step 6: Final answer
    x = 59,763.41

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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.