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Finding the Fourth Proportional to 63,145.17, 87,151.62 and 37,653.17

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Solution

The fourth proportional to 63,145.17, 87,151.62 and 37,653.17 is: 51,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,145.17 : 87,151.62 = 37,653.17 : x
  2. Step 2: Convert to fraction form
    63,145.17/87,151.62 = 37,653.17/x
  3. Step 3: Cross multiply
    63,145.17x = 87,151.62 × 37,653.17
  4. Step 4: Simplify right side
    63,145.17x = 3,281,534,763.64
  5. Step 5: Solve for x
    x = 3,281,534,763.64/63,145.17
  6. Step 6: Final answer
    x = 51,968.10

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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.