Home / 92,105.51-138,066.02-38,810.34

Finding the Fourth Proportional to 92,105.51, 138,066.02 and 38,810.34

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Solution

The fourth proportional to 92,105.51, 138,066.02 and 38,810.34 is: 58,176.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,105.51 : 138,066.02 = 38,810.34 : x
  2. Step 2: Convert to fraction form
    92,105.51/138,066.02 = 38,810.34/x
  3. Step 3: Cross multiply
    92,105.51x = 138,066.02 × 38,810.34
  4. Step 4: Simplify right side
    92,105.51x = 5,358,389,130.13
  5. Step 5: Solve for x
    x = 5,358,389,130.13/92,105.51
  6. Step 6: Final answer
    x = 58,176.64

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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.