Home / 74,711.30-112,099.75-39,653.69

Finding the Fourth Proportional to 74,711.30, 112,099.75 and 39,653.69

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Solution

The fourth proportional to 74,711.30, 112,099.75 and 39,653.69 is: 59,497.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,711.30 : 112,099.75 = 39,653.69 : x
  2. Step 2: Convert to fraction form
    74,711.30/112,099.75 = 39,653.69/x
  3. Step 3: Cross multiply
    74,711.30x = 112,099.75 × 39,653.69
  4. Step 4: Simplify right side
    74,711.30x = 4,445,168,075.94
  5. Step 5: Solve for x
    x = 4,445,168,075.94/74,711.30
  6. Step 6: Final answer
    x = 59,497.94

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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.