Home / 88,628.16-122,307.24-48,342.79

Finding the Fourth Proportional to 88,628.16, 122,307.24 and 48,342.79

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Solution

The fourth proportional to 88,628.16, 122,307.24 and 48,342.79 is: 66,713.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,628.16 : 122,307.24 = 48,342.79 : x
  2. Step 2: Convert to fraction form
    88,628.16/122,307.24 = 48,342.79/x
  3. Step 3: Cross multiply
    88,628.16x = 122,307.24 × 48,342.79
  4. Step 4: Simplify right side
    88,628.16x = 5,912,672,913.03
  5. Step 5: Solve for x
    x = 5,912,672,913.03/88,628.16
  6. Step 6: Final answer
    x = 66,713.25

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1.5x scale

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.