Home / 47,186.19-70,720.02-28,224.81

Finding the Fourth Proportional to 47,186.19, 70,720.02 and 28,224.81

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Solution

The fourth proportional to 47,186.19, 70,720.02 and 28,224.81 is: 42,301.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,186.19 : 70,720.02 = 28,224.81 : x
  2. Step 2: Convert to fraction form
    47,186.19/70,720.02 = 28,224.81/x
  3. Step 3: Cross multiply
    47,186.19x = 70,720.02 × 28,224.81
  4. Step 4: Simplify right side
    47,186.19x = 1,996,059,326.60
  5. Step 5: Solve for x
    x = 1,996,059,326.60/47,186.19
  6. Step 6: Final answer
    x = 42,301.77

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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.