Home / 98,211.66-147,401.37-39,088.86

Finding the Fourth Proportional to 98,211.66, 147,401.37 and 39,088.86

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Solution

The fourth proportional to 98,211.66, 147,401.37 and 39,088.86 is: 58,666.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,211.66 : 147,401.37 = 39,088.86 : x
  2. Step 2: Convert to fraction form
    98,211.66/147,401.37 = 39,088.86/x
  3. Step 3: Cross multiply
    98,211.66x = 147,401.37 × 39,088.86
  4. Step 4: Simplify right side
    98,211.66x = 5,761,751,515.74
  5. Step 5: Solve for x
    x = 5,761,751,515.74/98,211.66
  6. Step 6: Final answer
    x = 58,666.67

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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.