Home / 57,106.07-85,670.03-17,656.23

Finding the Fourth Proportional to 57,106.07, 85,670.03 and 17,656.23

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Solution

The fourth proportional to 57,106.07, 85,670.03 and 17,656.23 is: 26,487.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,106.07 : 85,670.03 = 17,656.23 : x
  2. Step 2: Convert to fraction form
    57,106.07/85,670.03 = 17,656.23/x
  3. Step 3: Cross multiply
    57,106.07x = 85,670.03 × 17,656.23
  4. Step 4: Simplify right side
    57,106.07x = 1,512,609,665.51
  5. Step 5: Solve for x
    x = 1,512,609,665.51/57,106.07
  6. Step 6: Final answer
    x = 26,487.72

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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.