Home / 103,053.60-154,579.16-58,078.35

Finding the Fourth Proportional to 103,053.60, 154,579.16 and 58,078.35

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Solution

The fourth proportional to 103,053.60, 154,579.16 and 58,078.35 is: 87,116.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,053.60 : 154,579.16 = 58,078.35 : x
  2. Step 2: Convert to fraction form
    103,053.60/154,579.16 = 58,078.35/x
  3. Step 3: Cross multiply
    103,053.60x = 154,579.16 × 58,078.35
  4. Step 4: Simplify right side
    103,053.60x = 8,977,702,266.79
  5. Step 5: Solve for x
    x = 8,977,702,266.79/103,053.60
  6. Step 6: Final answer
    x = 87,116.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.