Home / 74,022.90-102,059.02-61,775.93

Finding the Fourth Proportional to 74,022.90, 102,059.02 and 61,775.93

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Solution

The fourth proportional to 74,022.90, 102,059.02 and 61,775.93 is: 85,173.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,022.90 : 102,059.02 = 61,775.93 : x
  2. Step 2: Convert to fraction form
    74,022.90/102,059.02 = 61,775.93/x
  3. Step 3: Cross multiply
    74,022.90x = 102,059.02 × 61,775.93
  4. Step 4: Simplify right side
    74,022.90x = 6,304,791,207.76
  5. Step 5: Solve for x
    x = 6,304,791,207.76/74,022.90
  6. Step 6: Final answer
    x = 85,173.53

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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.