Home / 87,832.53-121,209.72-47,547.07

Finding the Fourth Proportional to 87,832.53, 121,209.72 and 47,547.07

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Solution

The fourth proportional to 87,832.53, 121,209.72 and 47,547.07 is: 65,615.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,832.53 : 121,209.72 = 47,547.07 : x
  2. Step 2: Convert to fraction form
    87,832.53/121,209.72 = 47,547.07/x
  3. Step 3: Cross multiply
    87,832.53x = 121,209.72 × 47,547.07
  4. Step 4: Simplify right side
    87,832.53x = 5,763,167,041.52
  5. Step 5: Solve for x
    x = 5,763,167,041.52/87,832.53
  6. Step 6: Final answer
    x = 65,615.41

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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.