Home / 66,625.60-99,938.40-35,521.60

Finding the Fourth Proportional to 66,625.60, 99,938.40 and 35,521.60

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Solution

The fourth proportional to 66,625.60, 99,938.40 and 35,521.60 is: 53,282.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,625.60 : 99,938.40 = 35,521.60 : x
  2. Step 2: Convert to fraction form
    66,625.60/99,938.40 = 35,521.60/x
  3. Step 3: Cross multiply
    66,625.60x = 99,938.40 × 35,521.60
  4. Step 4: Simplify right side
    66,625.60x = 3,549,971,869.44
  5. Step 5: Solve for x
    x = 3,549,971,869.44/66,625.60
  6. Step 6: Final answer
    x = 53,282.40

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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.