Home / 99,060.18-136,702.58-53,738.18

Finding the Fourth Proportional to 99,060.18, 136,702.58 and 53,738.18

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Solution

The fourth proportional to 99,060.18, 136,702.58 and 53,738.18 is: 74,158.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,060.18 : 136,702.58 = 53,738.18 : x
  2. Step 2: Convert to fraction form
    99,060.18/136,702.58 = 53,738.18/x
  3. Step 3: Cross multiply
    99,060.18x = 136,702.58 × 53,738.18
  4. Step 4: Simplify right side
    99,060.18x = 7,346,147,850.50
  5. Step 5: Solve for x
    x = 7,346,147,850.50/99,060.18
  6. Step 6: Final answer
    x = 74,158.43

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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.