Home / 66,311.19-99,193.32-42,582.24

Finding the Fourth Proportional to 66,311.19, 99,193.32 and 42,582.24

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Solution

The fourth proportional to 66,311.19, 99,193.32 and 42,582.24 is: 63,697.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,311.19 : 99,193.32 = 42,582.24 : x
  2. Step 2: Convert to fraction form
    66,311.19/99,193.32 = 42,582.24/x
  3. Step 3: Cross multiply
    66,311.19x = 99,193.32 × 42,582.24
  4. Step 4: Simplify right side
    66,311.19x = 4,223,873,758.64
  5. Step 5: Solve for x
    x = 4,223,873,758.64/66,311.19
  6. Step 6: Final answer
    x = 63,697.75

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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.