Home / 76,125.02-114,220.35-31,760.51

Finding the Fourth Proportional to 76,125.02, 114,220.35 and 31,760.51

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Solution

The fourth proportional to 76,125.02, 114,220.35 and 31,760.51 is: 47,654.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,125.02 : 114,220.35 = 31,760.51 : x
  2. Step 2: Convert to fraction form
    76,125.02/114,220.35 = 31,760.51/x
  3. Step 3: Cross multiply
    76,125.02x = 114,220.35 × 31,760.51
  4. Step 4: Simplify right side
    76,125.02x = 3,627,695,997.28
  5. Step 5: Solve for x
    x = 3,627,695,997.28/76,125.02
  6. Step 6: Final answer
    x = 47,654.45

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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.