Home / 104,635.59-144,397.45-56,889.12

Finding the Fourth Proportional to 104,635.59, 144,397.45 and 56,889.12

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Solution

The fourth proportional to 104,635.59, 144,397.45 and 56,889.12 is: 78,507.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,635.59 : 144,397.45 = 56,889.12 : x
  2. Step 2: Convert to fraction form
    104,635.59/144,397.45 = 56,889.12/x
  3. Step 3: Cross multiply
    104,635.59x = 144,397.45 × 56,889.12
  4. Step 4: Simplify right side
    104,635.59x = 8,214,643,860.74
  5. Step 5: Solve for x
    x = 8,214,643,860.74/104,635.59
  6. Step 6: Final answer
    x = 78,507.17

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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.