Home / 110,739.46-152,767.30-72,482.16

Finding the Fourth Proportional to 110,739.46, 152,767.30 and 72,482.16

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Solution

The fourth proportional to 110,739.46, 152,767.30 and 72,482.16 is: 99,990.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,739.46 : 152,767.30 = 72,482.16 : x
  2. Step 2: Convert to fraction form
    110,739.46/152,767.30 = 72,482.16/x
  3. Step 3: Cross multiply
    110,739.46x = 152,767.30 × 72,482.16
  4. Step 4: Simplify right side
    110,739.46x = 11,072,903,881.37
  5. Step 5: Solve for x
    x = 11,072,903,881.37/110,739.46
  6. Step 6: Final answer
    x = 99,990.59

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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.