Home / 87,404.06-120,623.93-53,419.04

Finding the Fourth Proportional to 87,404.06, 120,623.93 and 53,419.04

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Solution

The fourth proportional to 87,404.06, 120,623.93 and 53,419.04 is: 73,722.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,404.06 : 120,623.93 = 53,419.04 : x
  2. Step 2: Convert to fraction form
    87,404.06/120,623.93 = 53,419.04/x
  3. Step 3: Cross multiply
    87,404.06x = 120,623.93 × 53,419.04
  4. Step 4: Simplify right side
    87,404.06x = 6,443,615,303.07
  5. Step 5: Solve for x
    x = 6,443,615,303.07/87,404.06
  6. Step 6: Final answer
    x = 73,722.15

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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.