Home / 66,913.86-92,109.33-57,835.05

Finding the Fourth Proportional to 66,913.86, 92,109.33 and 57,835.05

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Solution

The fourth proportional to 66,913.86, 92,109.33 and 57,835.05 is: 79,612.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,913.86 : 92,109.33 = 57,835.05 : x
  2. Step 2: Convert to fraction form
    66,913.86/92,109.33 = 57,835.05/x
  3. Step 3: Cross multiply
    66,913.86x = 92,109.33 × 57,835.05
  4. Step 4: Simplify right side
    66,913.86x = 5,327,147,706.02
  5. Step 5: Solve for x
    x = 5,327,147,706.02/66,913.86
  6. Step 6: Final answer
    x = 79,612.02

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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.