Home / 104,063.49-143,608.08-56,316.86

Finding the Fourth Proportional to 104,063.49, 143,608.08 and 56,316.86

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Solution

The fourth proportional to 104,063.49, 143,608.08 and 56,316.86 is: 77,717.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,063.49 : 143,608.08 = 56,316.86 : x
  2. Step 2: Convert to fraction form
    104,063.49/143,608.08 = 56,316.86/x
  3. Step 3: Cross multiply
    104,063.49x = 143,608.08 × 56,316.86
  4. Step 4: Simplify right side
    104,063.49x = 8,087,555,418.19
  5. Step 5: Solve for x
    x = 8,087,555,418.19/104,063.49
  6. Step 6: Final answer
    x = 77,717.51

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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.