Home / 108,509.40-162,788.40-41,943.60

Finding the Fourth Proportional to 108,509.40, 162,788.40 and 41,943.60

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Solution

The fourth proportional to 108,509.40, 162,788.40 and 41,943.60 is: 62,924.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,509.40 : 162,788.40 = 41,943.60 : x
  2. Step 2: Convert to fraction form
    108,509.40/162,788.40 = 41,943.60/x
  3. Step 3: Cross multiply
    108,509.40x = 162,788.40 × 41,943.60
  4. Step 4: Simplify right side
    108,509.40x = 6,827,931,534.24
  5. Step 5: Solve for x
    x = 6,827,931,534.24/108,509.40
  6. Step 6: Final answer
    x = 62,924.79

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1.5x scale

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.