Home / 84,520.04-126,527.52-51,139.22

Finding the Fourth Proportional to 84,520.04, 126,527.52 and 51,139.22

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Solution

The fourth proportional to 84,520.04, 126,527.52 and 51,139.22 is: 76,556.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,520.04 : 126,527.52 = 51,139.22 : x
  2. Step 2: Convert to fraction form
    84,520.04/126,527.52 = 51,139.22/x
  3. Step 3: Cross multiply
    84,520.04x = 126,527.52 × 51,139.22
  4. Step 4: Simplify right side
    84,520.04x = 6,470,518,681.33
  5. Step 5: Solve for x
    x = 6,470,518,681.33/84,520.04
  6. Step 6: Final answer
    x = 76,556.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.