Home / 109,088.50-150,543.02-61,341.43

Finding the Fourth Proportional to 109,088.50, 150,543.02 and 61,341.43

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Solution

The fourth proportional to 109,088.50, 150,543.02 and 61,341.43 is: 84,651.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,088.50 : 150,543.02 = 61,341.43 : x
  2. Step 2: Convert to fraction form
    109,088.50/150,543.02 = 61,341.43/x
  3. Step 3: Cross multiply
    109,088.50x = 150,543.02 × 61,341.43
  4. Step 4: Simplify right side
    109,088.50x = 9,234,523,370.60
  5. Step 5: Solve for x
    x = 9,234,523,370.60/109,088.50
  6. Step 6: Final answer
    x = 84,651.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.