Home / 104,063.28-143,607.34-56,316.64

Finding the Fourth Proportional to 104,063.28, 143,607.34 and 56,316.64

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Solution

The fourth proportional to 104,063.28, 143,607.34 and 56,316.64 is: 77,716.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,063.28 : 143,607.34 = 56,316.64 : x
  2. Step 2: Convert to fraction form
    104,063.28/143,607.34 = 56,316.64/x
  3. Step 3: Cross multiply
    104,063.28x = 143,607.34 × 56,316.64
  4. Step 4: Simplify right side
    104,063.28x = 8,087,482,868.14
  5. Step 5: Solve for x
    x = 8,087,482,868.14/104,063.28
  6. Step 6: Final answer
    x = 77,716.97

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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.