Home / 74,041.52-102,071.02-52,783.88

Finding the Fourth Proportional to 74,041.52, 102,071.02 and 52,783.88

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Solution

The fourth proportional to 74,041.52, 102,071.02 and 52,783.88 is: 72,765.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,041.52 : 102,071.02 = 52,783.88 : x
  2. Step 2: Convert to fraction form
    74,041.52/102,071.02 = 52,783.88/x
  3. Step 3: Cross multiply
    74,041.52x = 102,071.02 × 52,783.88
  4. Step 4: Simplify right side
    74,041.52x = 5,387,704,207.24
  5. Step 5: Solve for x
    x = 5,387,704,207.24/74,041.52
  6. Step 6: Final answer
    x = 72,765.99

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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.