Home / 72,317.81-108,487.02-22,401.83

Finding the Fourth Proportional to 72,317.81, 108,487.02 and 22,401.83

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Solution

The fourth proportional to 72,317.81, 108,487.02 and 22,401.83 is: 33,605.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,317.81 : 108,487.02 = 22,401.83 : x
  2. Step 2: Convert to fraction form
    72,317.81/108,487.02 = 22,401.83/x
  3. Step 3: Cross multiply
    72,317.81x = 108,487.02 × 22,401.83
  4. Step 4: Simplify right side
    72,317.81x = 2,430,307,779.25
  5. Step 5: Solve for x
    x = 2,430,307,779.25/72,317.81
  6. Step 6: Final answer
    x = 33,605.94

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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.