Home / 88,183.09-121,625.98-61,312.15

Finding the Fourth Proportional to 88,183.09, 121,625.98 and 61,312.15

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Solution

The fourth proportional to 88,183.09, 121,625.98 and 61,312.15 is: 84,564.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,183.09 : 121,625.98 = 61,312.15 : x
  2. Step 2: Convert to fraction form
    88,183.09/121,625.98 = 61,312.15/x
  3. Step 3: Cross multiply
    88,183.09x = 121,625.98 × 61,312.15
  4. Step 4: Simplify right side
    88,183.09x = 7,457,150,329.66
  5. Step 5: Solve for x
    x = 7,457,150,329.66/88,183.09
  6. Step 6: Final answer
    x = 84,564.40

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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.