Home / 64,515.18-89,067.96-42,999.24

Finding the Fourth Proportional to 64,515.18, 89,067.96 and 42,999.24

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Solution

The fourth proportional to 64,515.18, 89,067.96 and 42,999.24 is: 59,363.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,515.18 : 89,067.96 = 42,999.24 : x
  2. Step 2: Convert to fraction form
    64,515.18/89,067.96 = 42,999.24/x
  3. Step 3: Cross multiply
    64,515.18x = 89,067.96 × 42,999.24
  4. Step 4: Simplify right side
    64,515.18x = 3,829,854,588.35
  5. Step 5: Solve for x
    x = 3,829,854,588.35/64,515.18
  6. Step 6: Final answer
    x = 59,363.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.