Home / 99,170.19-136,856.30-53,848.26

Finding the Fourth Proportional to 99,170.19, 136,856.30 and 53,848.26

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Solution

The fourth proportional to 99,170.19, 136,856.30 and 53,848.26 is: 74,311.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,170.19 : 136,856.30 = 53,848.26 : x
  2. Step 2: Convert to fraction form
    99,170.19/136,856.30 = 53,848.26/x
  3. Step 3: Cross multiply
    99,170.19x = 136,856.30 × 53,848.26
  4. Step 4: Simplify right side
    99,170.19x = 7,369,473,355.80
  5. Step 5: Solve for x
    x = 7,369,473,355.80/99,170.19
  6. Step 6: Final answer
    x = 74,311.38

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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.