Home / 101,507.02-152,304.30-42,354.34

Finding the Fourth Proportional to 101,507.02, 152,304.30 and 42,354.34

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Solution

The fourth proportional to 101,507.02, 152,304.30 and 42,354.34 is: 63,549.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,507.02 : 152,304.30 = 42,354.34 : x
  2. Step 2: Convert to fraction form
    101,507.02/152,304.30 = 42,354.34/x
  3. Step 3: Cross multiply
    101,507.02x = 152,304.30 × 42,354.34
  4. Step 4: Simplify right side
    101,507.02x = 6,450,748,105.66
  5. Step 5: Solve for x
    x = 6,450,748,105.66/101,507.02
  6. Step 6: Final answer
    x = 63,549.77

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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.