Home / 104,639.52-144,434.16-71,124.96

Finding the Fourth Proportional to 104,639.52, 144,434.16 and 71,124.96

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Solution

The fourth proportional to 104,639.52, 144,434.16 and 71,124.96 is: 98,173.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,639.52 : 144,434.16 = 71,124.96 : x
  2. Step 2: Convert to fraction form
    104,639.52/144,434.16 = 71,124.96/x
  3. Step 3: Cross multiply
    104,639.52x = 144,434.16 × 71,124.96
  4. Step 4: Simplify right side
    104,639.52x = 10,272,873,852.63
  5. Step 5: Solve for x
    x = 10,272,873,852.63/104,639.52
  6. Step 6: Final answer
    x = 98,173.94

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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.