Home / 66,467.20-99,412.80-59,497.60

Finding the Fourth Proportional to 66,467.20, 99,412.80 and 59,497.60

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Solution

The fourth proportional to 66,467.20, 99,412.80 and 59,497.60 is: 88,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,467.20 : 99,412.80 = 59,497.60 : x
  2. Step 2: Convert to fraction form
    66,467.20/99,412.80 = 59,497.60/x
  3. Step 3: Cross multiply
    66,467.20x = 99,412.80 × 59,497.60
  4. Step 4: Simplify right side
    66,467.20x = 5,914,823,009.28
  5. Step 5: Solve for x
    x = 5,914,823,009.28/66,467.20
  6. Step 6: Final answer
    x = 88,988.60

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1.5x scale

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.