Home / 66,497.32-99,744.90-31,462.12

Finding the Fourth Proportional to 66,497.32, 99,744.90 and 31,462.12

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Solution

The fourth proportional to 66,497.32, 99,744.90 and 31,462.12 is: 47,192.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,497.32 : 99,744.90 = 31,462.12 : x
  2. Step 2: Convert to fraction form
    66,497.32/99,744.90 = 31,462.12/x
  3. Step 3: Cross multiply
    66,497.32x = 99,744.90 × 31,462.12
  4. Step 4: Simplify right side
    66,497.32x = 3,138,186,013.19
  5. Step 5: Solve for x
    x = 3,138,186,013.19/66,497.32
  6. Step 6: Final answer
    x = 47,192.67

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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.