Home / 66,089.60-99,041.16-51,228.92

Finding the Fourth Proportional to 66,089.60, 99,041.16 and 51,228.92

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Solution

The fourth proportional to 66,089.60, 99,041.16 and 51,228.92 is: 76,771.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,089.60 : 99,041.16 = 51,228.92 : x
  2. Step 2: Convert to fraction form
    66,089.60/99,041.16 = 51,228.92/x
  3. Step 3: Cross multiply
    66,089.60x = 99,041.16 × 51,228.92
  4. Step 4: Simplify right side
    66,089.60x = 5,073,771,662.35
  5. Step 5: Solve for x
    x = 5,073,771,662.35/66,089.60
  6. Step 6: Final answer
    x = 76,771.11

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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.