Home / 79,586.16-119,124.08-52,870.80

Finding the Fourth Proportional to 79,586.16, 119,124.08 and 52,870.80

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Solution

The fourth proportional to 79,586.16, 119,124.08 and 52,870.80 is: 79,136.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,586.16 : 119,124.08 = 52,870.80 : x
  2. Step 2: Convert to fraction form
    79,586.16/119,124.08 = 52,870.80/x
  3. Step 3: Cross multiply
    79,586.16x = 119,124.08 × 52,870.80
  4. Step 4: Simplify right side
    79,586.16x = 6,298,185,408.86
  5. Step 5: Solve for x
    x = 6,298,185,408.86/79,586.16
  6. Step 6: Final answer
    x = 79,136.69

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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.