Home / 88,716.51-122,427.11-48,430.56

Finding the Fourth Proportional to 88,716.51, 122,427.11 and 48,430.56

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Solution

The fourth proportional to 88,716.51, 122,427.11 and 48,430.56 is: 66,833.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,716.51 : 122,427.11 = 48,430.56 : x
  2. Step 2: Convert to fraction form
    88,716.51/122,427.11 = 48,430.56/x
  3. Step 3: Cross multiply
    88,716.51x = 122,427.11 × 48,430.56
  4. Step 4: Simplify right side
    88,716.51x = 5,929,213,300.76
  5. Step 5: Solve for x
    x = 5,929,213,300.76/88,716.51
  6. Step 6: Final answer
    x = 66,833.26

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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.