Home / 88,183.04-121,625.90-61,312.10

Finding the Fourth Proportional to 88,183.04, 121,625.90 and 61,312.10

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Solution

The fourth proportional to 88,183.04, 121,625.90 and 61,312.10 is: 84,564.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,183.04 : 121,625.90 = 61,312.10 : x
  2. Step 2: Convert to fraction form
    88,183.04/121,625.90 = 61,312.10/x
  3. Step 3: Cross multiply
    88,183.04x = 121,625.90 × 61,312.10
  4. Step 4: Simplify right side
    88,183.04x = 7,457,138,428.70
  5. Step 5: Solve for x
    x = 7,457,138,428.70/88,183.04
  6. Step 6: Final answer
    x = 84,564.32

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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.