Home / 74,194.84-102,386.65-42,357.52

Finding the Fourth Proportional to 74,194.84, 102,386.65 and 42,357.52

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Solution

The fourth proportional to 74,194.84, 102,386.65 and 42,357.52 is: 58,452.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,194.84 : 102,386.65 = 42,357.52 : x
  2. Step 2: Convert to fraction form
    74,194.84/102,386.65 = 42,357.52/x
  3. Step 3: Cross multiply
    74,194.84x = 102,386.65 × 42,357.52
  4. Step 4: Simplify right side
    74,194.84x = 4,336,843,851.39
  5. Step 5: Solve for x
    x = 4,336,843,851.39/74,194.84
  6. Step 6: Final answer
    x = 58,452.10

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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.