Home / 124,461.30-186,633.60-45,520.32

Finding the Fourth Proportional to 124,461.30, 186,633.60 and 45,520.32

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Solution

The fourth proportional to 124,461.30, 186,633.60 and 45,520.32 is: 68,259.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,461.30 : 186,633.60 = 45,520.32 : x
  2. Step 2: Convert to fraction form
    124,461.30/186,633.60 = 45,520.32/x
  3. Step 3: Cross multiply
    124,461.30x = 186,633.60 × 45,520.32
  4. Step 4: Simplify right side
    124,461.30x = 8,495,621,194.75
  5. Step 5: Solve for x
    x = 8,495,621,194.75/124,461.30
  6. Step 6: Final answer
    x = 68,259.14

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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.