Home / 53,737.93-80,607.67-20,459.83

Finding the Fourth Proportional to 53,737.93, 80,607.67 and 20,459.83

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Solution

The fourth proportional to 53,737.93, 80,607.67 and 20,459.83 is: 30,690.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,737.93 : 80,607.67 = 20,459.83 : x
  2. Step 2: Convert to fraction form
    53,737.93/80,607.67 = 20,459.83/x
  3. Step 3: Cross multiply
    53,737.93x = 80,607.67 × 20,459.83
  4. Step 4: Simplify right side
    53,737.93x = 1,649,219,011.74
  5. Step 5: Solve for x
    x = 1,649,219,011.74/53,737.93
  6. Step 6: Final answer
    x = 30,690.03

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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.