Home / 104,713.44-144,457.69-70,711.05

Finding the Fourth Proportional to 104,713.44, 144,457.69 and 70,711.05

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Solution

The fourth proportional to 104,713.44, 144,457.69 and 70,711.05 is: 97,549.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,713.44 : 144,457.69 = 70,711.05 : x
  2. Step 2: Convert to fraction form
    104,713.44/144,457.69 = 70,711.05/x
  3. Step 3: Cross multiply
    104,713.44x = 144,457.69 × 70,711.05
  4. Step 4: Simplify right side
    104,713.44x = 10,214,754,940.47
  5. Step 5: Solve for x
    x = 10,214,754,940.47/104,713.44
  6. Step 6: Final answer
    x = 97,549.61

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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.