Home / 66,466.08-99,700.03-37,070.78

Finding the Fourth Proportional to 66,466.08, 99,700.03 and 37,070.78

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Solution

The fourth proportional to 66,466.08, 99,700.03 and 37,070.78 is: 55,606.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,466.08 : 99,700.03 = 37,070.78 : x
  2. Step 2: Convert to fraction form
    66,466.08/99,700.03 = 37,070.78/x
  3. Step 3: Cross multiply
    66,466.08x = 99,700.03 × 37,070.78
  4. Step 4: Simplify right side
    66,466.08x = 3,695,957,425.96
  5. Step 5: Solve for x
    x = 3,695,957,425.96/66,466.08
  6. Step 6: Final answer
    x = 55,606.67

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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.