Home / 88,361.16-121,927.32-59,743.05

Finding the Fourth Proportional to 88,361.16, 121,927.32 and 59,743.05

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Solution

The fourth proportional to 88,361.16, 121,927.32 and 59,743.05 is: 82,437.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,361.16 : 121,927.32 = 59,743.05 : x
  2. Step 2: Convert to fraction form
    88,361.16/121,927.32 = 59,743.05/x
  3. Step 3: Cross multiply
    88,361.16x = 121,927.32 × 59,743.05
  4. Step 4: Simplify right side
    88,361.16x = 7,284,309,975.13
  5. Step 5: Solve for x
    x = 7,284,309,975.13/88,361.16
  6. Step 6: Final answer
    x = 82,437.92

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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.