Home / 66,057.20-99,085.80-38,063.60

Finding the Fourth Proportional to 66,057.20, 99,085.80 and 38,063.60

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Solution

The fourth proportional to 66,057.20, 99,085.80 and 38,063.60 is: 57,095.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,057.20 : 99,085.80 = 38,063.60 : x
  2. Step 2: Convert to fraction form
    66,057.20/99,085.80 = 38,063.60/x
  3. Step 3: Cross multiply
    66,057.20x = 99,085.80 × 38,063.60
  4. Step 4: Simplify right side
    66,057.20x = 3,771,562,256.88
  5. Step 5: Solve for x
    x = 3,771,562,256.88/66,057.20
  6. Step 6: Final answer
    x = 57,095.40

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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.