Home / 66,807.48-92,171.45-38,106.51

Finding the Fourth Proportional to 66,807.48, 92,171.45 and 38,106.51

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Solution

The fourth proportional to 66,807.48, 92,171.45 and 38,106.51 is: 52,573.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,807.48 : 92,171.45 = 38,106.51 : x
  2. Step 2: Convert to fraction form
    66,807.48/92,171.45 = 38,106.51/x
  3. Step 3: Cross multiply
    66,807.48x = 92,171.45 × 38,106.51
  4. Step 4: Simplify right side
    66,807.48x = 3,512,332,090.61
  5. Step 5: Solve for x
    x = 3,512,332,090.61/66,807.48
  6. Step 6: Final answer
    x = 52,573.93

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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.