Home / 57,066.18-85,540.95-19,615.02

Finding the Fourth Proportional to 57,066.18, 85,540.95 and 19,615.02

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Solution

The fourth proportional to 57,066.18, 85,540.95 and 19,615.02 is: 29,402.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,066.18 : 85,540.95 = 19,615.02 : x
  2. Step 2: Convert to fraction form
    57,066.18/85,540.95 = 19,615.02/x
  3. Step 3: Cross multiply
    57,066.18x = 85,540.95 × 19,615.02
  4. Step 4: Simplify right side
    57,066.18x = 1,677,887,445.07
  5. Step 5: Solve for x
    x = 1,677,887,445.07/57,066.18
  6. Step 6: Final answer
    x = 29,402.48

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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.