Home / 88,899.64-122,681.60-48,613.56

Finding the Fourth Proportional to 88,899.64, 122,681.60 and 48,613.56

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Solution

The fourth proportional to 88,899.64, 122,681.60 and 48,613.56 is: 67,086.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,899.64 : 122,681.60 = 48,613.56 : x
  2. Step 2: Convert to fraction form
    88,899.64/122,681.60 = 48,613.56/x
  3. Step 3: Cross multiply
    88,899.64x = 122,681.60 × 48,613.56
  4. Step 4: Simplify right side
    88,899.64x = 5,963,989,322.50
  5. Step 5: Solve for x
    x = 5,963,989,322.50/88,899.64
  6. Step 6: Final answer
    x = 67,086.77

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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.