Home / 124,420.24-186,659.52-54,319.60

Finding the Fourth Proportional to 124,420.24, 186,659.52 and 54,319.60

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Solution

The fourth proportional to 124,420.24, 186,659.52 and 54,319.60 is: 81,492.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,420.24 : 186,659.52 = 54,319.60 : x
  2. Step 2: Convert to fraction form
    124,420.24/186,659.52 = 54,319.60/x
  3. Step 3: Cross multiply
    124,420.24x = 186,659.52 × 54,319.60
  4. Step 4: Simplify right side
    124,420.24x = 10,139,270,462.59
  5. Step 5: Solve for x
    x = 10,139,270,462.59/124,420.24
  6. Step 6: Final answer
    x = 81,492.13

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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.