Home / 75,222.04-112,973.59-66,219.34

Finding the Fourth Proportional to 75,222.04, 112,973.59 and 66,219.34

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Solution

The fourth proportional to 75,222.04, 112,973.59 and 66,219.34 is: 99,452.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,222.04 : 112,973.59 = 66,219.34 : x
  2. Step 2: Convert to fraction form
    75,222.04/112,973.59 = 66,219.34/x
  3. Step 3: Cross multiply
    75,222.04x = 112,973.59 × 66,219.34
  4. Step 4: Simplify right side
    75,222.04x = 7,481,036,567.23
  5. Step 5: Solve for x
    x = 7,481,036,567.23/75,222.04
  6. Step 6: Final answer
    x = 99,452.73

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1.5x scale

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.