Home / 75,177.04-103,741.60-42,913.32

Finding the Fourth Proportional to 75,177.04, 103,741.60 and 42,913.32

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Solution

The fourth proportional to 75,177.04, 103,741.60 and 42,913.32 is: 59,218.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,177.04 : 103,741.60 = 42,913.32 : x
  2. Step 2: Convert to fraction form
    75,177.04/103,741.60 = 42,913.32/x
  3. Step 3: Cross multiply
    75,177.04x = 103,741.60 × 42,913.32
  4. Step 4: Simplify right side
    75,177.04x = 4,451,896,478.11
  5. Step 5: Solve for x
    x = 4,451,896,478.11/75,177.04
  6. Step 6: Final answer
    x = 59,218.83

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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.