Home / 98,050.84-135,279.30-55,601.18

Finding the Fourth Proportional to 98,050.84, 135,279.30 and 55,601.18

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Solution

The fourth proportional to 98,050.84, 135,279.30 and 55,601.18 is: 76,712.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,050.84 : 135,279.30 = 55,601.18 : x
  2. Step 2: Convert to fraction form
    98,050.84/135,279.30 = 55,601.18/x
  3. Step 3: Cross multiply
    98,050.84x = 135,279.30 × 55,601.18
  4. Step 4: Simplify right side
    98,050.84x = 7,521,688,709.57
  5. Step 5: Solve for x
    x = 7,521,688,709.57/98,050.84
  6. Step 6: Final answer
    x = 76,712.13

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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.