Home / 84,629.34-126,458.28-64,528.38

Finding the Fourth Proportional to 84,629.34, 126,458.28 and 64,528.38

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Solution

The fourth proportional to 84,629.34, 126,458.28 and 64,528.38 is: 96,422.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,629.34 : 126,458.28 = 64,528.38 : x
  2. Step 2: Convert to fraction form
    84,629.34/126,458.28 = 64,528.38/x
  3. Step 3: Cross multiply
    84,629.34x = 126,458.28 × 64,528.38
  4. Step 4: Simplify right side
    84,629.34x = 8,160,147,945.99
  5. Step 5: Solve for x
    x = 8,160,147,945.99/84,629.34
  6. Step 6: Final answer
    x = 96,422.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.