Home / 98,994.10-148,590-54,641.74

Finding the Fourth Proportional to 98,994.10, 148,590 and 54,641.74

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Solution

The fourth proportional to 98,994.10, 148,590 and 54,641.74 is: 82,017.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,994.10 : 148,590 = 54,641.74 : x
  2. Step 2: Convert to fraction form
    98,994.10/148,590 = 54,641.74/x
  3. Step 3: Cross multiply
    98,994.10x = 148,590 × 54,641.74
  4. Step 4: Simplify right side
    98,994.10x = 8,119,216,146.60
  5. Step 5: Solve for x
    x = 8,119,216,146.60/98,994.10
  6. Step 6: Final answer
    x = 82,017.17

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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.