Home / 92,435.15-138,287.93-70,010.45

Finding the Fourth Proportional to 92,435.15, 138,287.93 and 70,010.45

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Solution

The fourth proportional to 92,435.15, 138,287.93 and 70,010.45 is: 104,739.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,435.15 : 138,287.93 = 70,010.45 : x
  2. Step 2: Convert to fraction form
    92,435.15/138,287.93 = 70,010.45/x
  3. Step 3: Cross multiply
    92,435.15x = 138,287.93 × 70,010.45
  4. Step 4: Simplify right side
    92,435.15x = 9,681,600,204.54
  5. Step 5: Solve for x
    x = 9,681,600,204.54/92,435.15
  6. Step 6: Final answer
    x = 104,739.38

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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.