Home / 67,448.64-100,672.76-58,402.38

Finding the Fourth Proportional to 67,448.64, 100,672.76 and 58,402.38

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Solution

The fourth proportional to 67,448.64, 100,672.76 and 58,402.38 is: 87,170.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,448.64 : 100,672.76 = 58,402.38 : x
  2. Step 2: Convert to fraction form
    67,448.64/100,672.76 = 58,402.38/x
  3. Step 3: Cross multiply
    67,448.64x = 100,672.76 × 58,402.38
  4. Step 4: Simplify right side
    67,448.64x = 5,879,528,785.17
  5. Step 5: Solve for x
    x = 5,879,528,785.17/67,448.64
  6. Step 6: Final answer
    x = 87,170.46

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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.