Home / 74,752.16-103,166.73-42,491.62

Finding the Fourth Proportional to 74,752.16, 103,166.73 and 42,491.62

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Solution

The fourth proportional to 74,752.16, 103,166.73 and 42,491.62 is: 58,643.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,752.16 : 103,166.73 = 42,491.62 : x
  2. Step 2: Convert to fraction form
    74,752.16/103,166.73 = 42,491.62/x
  3. Step 3: Cross multiply
    74,752.16x = 103,166.73 × 42,491.62
  4. Step 4: Simplify right side
    74,752.16x = 4,383,720,960.68
  5. Step 5: Solve for x
    x = 4,383,720,960.68/74,752.16
  6. Step 6: Final answer
    x = 58,643.40

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1.5x scale

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.