Home / 104,427.49-144,110.10-56,680.86

Finding the Fourth Proportional to 104,427.49, 144,110.10 and 56,680.86

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Solution

The fourth proportional to 104,427.49, 144,110.10 and 56,680.86 is: 78,219.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,427.49 : 144,110.10 = 56,680.86 : x
  2. Step 2: Convert to fraction form
    104,427.49/144,110.10 = 56,680.86/x
  3. Step 3: Cross multiply
    104,427.49x = 144,110.10 × 56,680.86
  4. Step 4: Simplify right side
    104,427.49x = 8,168,284,402.69
  5. Step 5: Solve for x
    x = 8,168,284,402.69/104,427.49
  6. Step 6: Final answer
    x = 78,219.68

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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.