Home / 88,975.19-122,784.64-48,688.35

Finding the Fourth Proportional to 88,975.19, 122,784.64 and 48,688.35

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Solution

The fourth proportional to 88,975.19, 122,784.64 and 48,688.35 is: 67,189.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,975.19 : 122,784.64 = 48,688.35 : x
  2. Step 2: Convert to fraction form
    88,975.19/122,784.64 = 48,688.35/x
  3. Step 3: Cross multiply
    88,975.19x = 122,784.64 × 48,688.35
  4. Step 4: Simplify right side
    88,975.19x = 5,978,181,526.94
  5. Step 5: Solve for x
    x = 5,978,181,526.94/88,975.19
  6. Step 6: Final answer
    x = 67,189.31

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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.