Home / 78,450.04-108,243.66-44,455.60

Finding the Fourth Proportional to 78,450.04, 108,243.66 and 44,455.60

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Solution

The fourth proportional to 78,450.04, 108,243.66 and 44,455.60 is: 61,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,450.04 : 108,243.66 = 44,455.60 : x
  2. Step 2: Convert to fraction form
    78,450.04/108,243.66 = 44,455.60/x
  3. Step 3: Cross multiply
    78,450.04x = 108,243.66 × 44,455.60
  4. Step 4: Simplify right side
    78,450.04x = 4,812,036,851.50
  5. Step 5: Solve for x
    x = 4,812,036,851.50/78,450.04
  6. Step 6: Final answer
    x = 61,338.87

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1.5x scale

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.