Home / 74,360.62-102,634.59-42,547.06

Finding the Fourth Proportional to 74,360.62, 102,634.59 and 42,547.06

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Solution

The fourth proportional to 74,360.62, 102,634.59 and 42,547.06 is: 58,724.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,360.62 : 102,634.59 = 42,547.06 : x
  2. Step 2: Convert to fraction form
    74,360.62/102,634.59 = 42,547.06/x
  3. Step 3: Cross multiply
    74,360.62x = 102,634.59 × 42,547.06
  4. Step 4: Simplify right side
    74,360.62x = 4,366,800,058.81
  5. Step 5: Solve for x
    x = 4,366,800,058.81/74,360.62
  6. Step 6: Final answer
    x = 58,724.63

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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.