Home / 109,914.08-151,682.10-67,457.12

Finding the Fourth Proportional to 109,914.08, 151,682.10 and 67,457.12

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Solution

The fourth proportional to 109,914.08, 151,682.10 and 67,457.12 is: 93,091.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,914.08 : 151,682.10 = 67,457.12 : x
  2. Step 2: Convert to fraction form
    109,914.08/151,682.10 = 67,457.12/x
  3. Step 3: Cross multiply
    109,914.08x = 151,682.10 × 67,457.12
  4. Step 4: Simplify right side
    109,914.08x = 10,232,037,621.55
  5. Step 5: Solve for x
    x = 10,232,037,621.55/109,914.08
  6. Step 6: Final answer
    x = 93,091.24

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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.