Home / 66,875.43-100,312.14-16,274.93

Finding the Fourth Proportional to 66,875.43, 100,312.14 and 16,274.93

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Solution

The fourth proportional to 66,875.43, 100,312.14 and 16,274.93 is: 24,412.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,875.43 : 100,312.14 = 16,274.93 : x
  2. Step 2: Convert to fraction form
    66,875.43/100,312.14 = 16,274.93/x
  3. Step 3: Cross multiply
    66,875.43x = 100,312.14 × 16,274.93
  4. Step 4: Simplify right side
    66,875.43x = 1,632,573,056.65
  5. Step 5: Solve for x
    x = 1,632,573,056.65/66,875.43
  6. Step 6: Final answer
    x = 24,412.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.