Home / 104,623.90-144,377.85-56,876.02

Finding the Fourth Proportional to 104,623.90, 144,377.85 and 56,876.02

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Solution

The fourth proportional to 104,623.90, 144,377.85 and 56,876.02 is: 78,487.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,623.90 : 144,377.85 = 56,876.02 : x
  2. Step 2: Convert to fraction form
    104,623.90/144,377.85 = 56,876.02/x
  3. Step 3: Cross multiply
    104,623.90x = 144,377.85 × 56,876.02
  4. Step 4: Simplify right side
    104,623.90x = 8,211,637,484.16
  5. Step 5: Solve for x
    x = 8,211,637,484.16/104,623.90
  6. Step 6: Final answer
    x = 78,487.20

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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.