Home / 104,612.16-144,363.86-56,865.36

Finding the Fourth Proportional to 104,612.16, 144,363.86 and 56,865.36

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Solution

The fourth proportional to 104,612.16, 144,363.86 and 56,865.36 is: 78,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,612.16 : 144,363.86 = 56,865.36 : x
  2. Step 2: Convert to fraction form
    104,612.16/144,363.86 = 56,865.36/x
  3. Step 3: Cross multiply
    104,612.16x = 144,363.86 × 56,865.36
  4. Step 4: Simplify right side
    104,612.16x = 8,209,302,869.89
  5. Step 5: Solve for x
    x = 8,209,302,869.89/104,612.16
  6. Step 6: Final answer
    x = 78,473.70

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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.