Home / 74,325.69-102,569.52-42,495.25

Finding the Fourth Proportional to 74,325.69, 102,569.52 and 42,495.25

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Solution

The fourth proportional to 74,325.69, 102,569.52 and 42,495.25 is: 58,643.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,325.69 : 102,569.52 = 42,495.25 : x
  2. Step 2: Convert to fraction form
    74,325.69/102,569.52 = 42,495.25/x
  3. Step 3: Cross multiply
    74,325.69x = 102,569.52 × 42,495.25
  4. Step 4: Simplify right side
    74,325.69x = 4,358,717,394.78
  5. Step 5: Solve for x
    x = 4,358,717,394.78/74,325.69
  6. Step 6: Final answer
    x = 58,643.48

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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.