Home / 118,546.20-163,595.70-70,803.72

Finding the Fourth Proportional to 118,546.20, 163,595.70 and 70,803.72

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Solution

The fourth proportional to 118,546.20, 163,595.70 and 70,803.72 is: 97,710.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,546.20 : 163,595.70 = 70,803.72 : x
  2. Step 2: Convert to fraction form
    118,546.20/163,595.70 = 70,803.72/x
  3. Step 3: Cross multiply
    118,546.20x = 163,595.70 × 70,803.72
  4. Step 4: Simplify right side
    118,546.20x = 11,583,184,136.00
  5. Step 5: Solve for x
    x = 11,583,184,136.00/118,546.20
  6. Step 6: Final answer
    x = 97,710.29

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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.