Home / 104,622.64-144,377.53-56,877.19

Finding the Fourth Proportional to 104,622.64, 144,377.53 and 56,877.19

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Solution

The fourth proportional to 104,622.64, 144,377.53 and 56,877.19 is: 78,489.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,622.64 : 144,377.53 = 56,877.19 : x
  2. Step 2: Convert to fraction form
    104,622.64/144,377.53 = 56,877.19/x
  3. Step 3: Cross multiply
    104,622.64x = 144,377.53 × 56,877.19
  4. Step 4: Simplify right side
    104,622.64x = 8,211,787,702.40
  5. Step 5: Solve for x
    x = 8,211,787,702.40/104,622.64
  6. Step 6: Final answer
    x = 78,489.59

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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.