Home / 101,747.02-140,425.23-56,435.08

Finding the Fourth Proportional to 101,747.02, 140,425.23 and 56,435.08

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Solution

The fourth proportional to 101,747.02, 140,425.23 and 56,435.08 is: 77,888.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,747.02 : 140,425.23 = 56,435.08 : x
  2. Step 2: Convert to fraction form
    101,747.02/140,425.23 = 56,435.08/x
  3. Step 3: Cross multiply
    101,747.02x = 140,425.23 × 56,435.08
  4. Step 4: Simplify right side
    101,747.02x = 7,924,909,089.07
  5. Step 5: Solve for x
    x = 7,924,909,089.07/101,747.02
  6. Step 6: Final answer
    x = 77,888.37

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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.