Home / 79,007.10-118,337.85-61,338.30

Finding the Fourth Proportional to 79,007.10, 118,337.85 and 61,338.30

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Solution

The fourth proportional to 79,007.10, 118,337.85 and 61,338.30 is: 91,873.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,007.10 : 118,337.85 = 61,338.30 : x
  2. Step 2: Convert to fraction form
    79,007.10/118,337.85 = 61,338.30/x
  3. Step 3: Cross multiply
    79,007.10x = 118,337.85 × 61,338.30
  4. Step 4: Simplify right side
    79,007.10x = 7,258,642,544.66
  5. Step 5: Solve for x
    x = 7,258,642,544.66/79,007.10
  6. Step 6: Final answer
    x = 91,873.29

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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.