Home / 101,525.02-152,318.70-45,412.34

Finding the Fourth Proportional to 101,525.02, 152,318.70 and 45,412.34

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Solution

The fourth proportional to 101,525.02, 152,318.70 and 45,412.34 is: 68,132.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,525.02 : 152,318.70 = 45,412.34 : x
  2. Step 2: Convert to fraction form
    101,525.02/152,318.70 = 45,412.34/x
  3. Step 3: Cross multiply
    101,525.02x = 152,318.70 × 45,412.34
  4. Step 4: Simplify right side
    101,525.02x = 6,917,148,592.76
  5. Step 5: Solve for x
    x = 6,917,148,592.76/101,525.02
  6. Step 6: Final answer
    x = 68,132.45

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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.