Home / 104,818.32-144,649.45-57,071.86

Finding the Fourth Proportional to 104,818.32, 144,649.45 and 57,071.86

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Solution

The fourth proportional to 104,818.32, 144,649.45 and 57,071.86 is: 78,759.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,818.32 : 144,649.45 = 57,071.86 : x
  2. Step 2: Convert to fraction form
    104,818.32/144,649.45 = 57,071.86/x
  3. Step 3: Cross multiply
    104,818.32x = 144,649.45 × 57,071.86
  4. Step 4: Simplify right side
    104,818.32x = 8,255,412,869.19
  5. Step 5: Solve for x
    x = 8,255,412,869.19/104,818.32
  6. Step 6: Final answer
    x = 78,759.26

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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.