Home / 115,228.40-172,773.48-45,024.08

Finding the Fourth Proportional to 115,228.40, 172,773.48 and 45,024.08

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Solution

The fourth proportional to 115,228.40, 172,773.48 and 45,024.08 is: 67,509.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,228.40 : 172,773.48 = 45,024.08 : x
  2. Step 2: Convert to fraction form
    115,228.40/172,773.48 = 45,024.08/x
  3. Step 3: Cross multiply
    115,228.40x = 172,773.48 × 45,024.08
  4. Step 4: Simplify right side
    115,228.40x = 7,778,966,985.40
  5. Step 5: Solve for x
    x = 7,778,966,985.40/115,228.40
  6. Step 6: Final answer
    x = 67,509.11

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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.