Home / 66,939.08-100,250.30-58,126.10

Finding the Fourth Proportional to 66,939.08, 100,250.30 and 58,126.10

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Solution

The fourth proportional to 66,939.08, 100,250.30 and 58,126.10 is: 87,051.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,939.08 : 100,250.30 = 58,126.10 : x
  2. Step 2: Convert to fraction form
    66,939.08/100,250.30 = 58,126.10/x
  3. Step 3: Cross multiply
    66,939.08x = 100,250.30 × 58,126.10
  4. Step 4: Simplify right side
    66,939.08x = 5,827,158,962.83
  5. Step 5: Solve for x
    x = 5,827,158,962.83/66,939.08
  6. Step 6: Final answer
    x = 87,051.67

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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.