Home / 84,030.27-125,749.23-52,455.15

Finding the Fourth Proportional to 84,030.27, 125,749.23 and 52,455.15

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Solution

The fourth proportional to 84,030.27, 125,749.23 and 52,455.15 is: 78,497.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,030.27 : 125,749.23 = 52,455.15 : x
  2. Step 2: Convert to fraction form
    84,030.27/125,749.23 = 52,455.15/x
  3. Step 3: Cross multiply
    84,030.27x = 125,749.23 × 52,455.15
  4. Step 4: Simplify right side
    84,030.27x = 6,596,194,722.03
  5. Step 5: Solve for x
    x = 6,596,194,722.03/84,030.27
  6. Step 6: Final answer
    x = 78,497.84

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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.