Home / 108,861.68-150,224.28-61,114.16

Finding the Fourth Proportional to 108,861.68, 150,224.28 and 61,114.16

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Solution

The fourth proportional to 108,861.68, 150,224.28 and 61,114.16 is: 84,334.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,861.68 : 150,224.28 = 61,114.16 : x
  2. Step 2: Convert to fraction form
    108,861.68/150,224.28 = 61,114.16/x
  3. Step 3: Cross multiply
    108,861.68x = 150,224.28 × 61,114.16
  4. Step 4: Simplify right side
    108,861.68x = 9,180,830,683.80
  5. Step 5: Solve for x
    x = 9,180,830,683.80/108,861.68
  6. Step 6: Final answer
    x = 84,334.82

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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.