Home / 101,503.02-152,298.30-42,350.34

Finding the Fourth Proportional to 101,503.02, 152,298.30 and 42,350.34

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Solution

The fourth proportional to 101,503.02, 152,298.30 and 42,350.34 is: 63,543.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,503.02 : 152,298.30 = 42,350.34 : x
  2. Step 2: Convert to fraction form
    101,503.02/152,298.30 = 42,350.34/x
  3. Step 3: Cross multiply
    101,503.02x = 152,298.30 × 42,350.34
  4. Step 4: Simplify right side
    101,503.02x = 6,449,884,786.42
  5. Step 5: Solve for x
    x = 6,449,884,786.42/101,503.02
  6. Step 6: Final answer
    x = 63,543.77

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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.