Home / 87,832.94-121,209.62-47,547.05

Finding the Fourth Proportional to 87,832.94, 121,209.62 and 47,547.05

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Solution

The fourth proportional to 87,832.94, 121,209.62 and 47,547.05 is: 65,615.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,832.94 : 121,209.62 = 47,547.05 : x
  2. Step 2: Convert to fraction form
    87,832.94/121,209.62 = 47,547.05/x
  3. Step 3: Cross multiply
    87,832.94x = 121,209.62 × 47,547.05
  4. Step 4: Simplify right side
    87,832.94x = 5,763,159,018.84
  5. Step 5: Solve for x
    x = 5,763,159,018.84/87,832.94
  6. Step 6: Final answer
    x = 65,615.01

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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.