Home / 99,157.47-136,836.74-53,835.06

Finding the Fourth Proportional to 99,157.47, 136,836.74 and 53,835.06

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Solution

The fourth proportional to 99,157.47, 136,836.74 and 53,835.06 is: 74,292.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,157.47 : 136,836.74 = 53,835.06 : x
  2. Step 2: Convert to fraction form
    99,157.47/136,836.74 = 53,835.06/x
  3. Step 3: Cross multiply
    99,157.47x = 136,836.74 × 53,835.06
  4. Step 4: Simplify right side
    99,157.47x = 7,366,614,755.83
  5. Step 5: Solve for x
    x = 7,366,614,755.83/99,157.47
  6. Step 6: Final answer
    x = 74,292.08

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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.