Home / 57,161.04-78,885.06-34,499.64

Finding the Fourth Proportional to 57,161.04, 78,885.06 and 34,499.64

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Solution

The fourth proportional to 57,161.04, 78,885.06 and 34,499.64 is: 47,611.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,161.04 : 78,885.06 = 34,499.64 : x
  2. Step 2: Convert to fraction form
    57,161.04/78,885.06 = 34,499.64/x
  3. Step 3: Cross multiply
    57,161.04x = 78,885.06 × 34,499.64
  4. Step 4: Simplify right side
    57,161.04x = 2,721,506,171.38
  5. Step 5: Solve for x
    x = 2,721,506,171.38/57,161.04
  6. Step 6: Final answer
    x = 47,611.21

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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.