Home / 74,231.64-111,148.20-62,421.84

Finding the Fourth Proportional to 74,231.64, 111,148.20 and 62,421.84

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Solution

The fourth proportional to 74,231.64, 111,148.20 and 62,421.84 is: 93,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,231.64 : 111,148.20 = 62,421.84 : x
  2. Step 2: Convert to fraction form
    74,231.64/111,148.20 = 62,421.84/x
  3. Step 3: Cross multiply
    74,231.64x = 111,148.20 × 62,421.84
  4. Step 4: Simplify right side
    74,231.64x = 6,938,075,156.69
  5. Step 5: Solve for x
    x = 6,938,075,156.69/74,231.64
  6. Step 6: Final answer
    x = 93,465.20

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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.