Home / 104,348.48-156,561.12-42,036.80

Finding the Fourth Proportional to 104,348.48, 156,561.12 and 42,036.80

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Solution

The fourth proportional to 104,348.48, 156,561.12 and 42,036.80 is: 63,070.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,348.48 : 156,561.12 = 42,036.80 : x
  2. Step 2: Convert to fraction form
    104,348.48/156,561.12 = 42,036.80/x
  3. Step 3: Cross multiply
    104,348.48x = 156,561.12 × 42,036.80
  4. Step 4: Simplify right side
    104,348.48x = 6,581,328,489.22
  5. Step 5: Solve for x
    x = 6,581,328,489.22/104,348.48
  6. Step 6: Final answer
    x = 63,070.67

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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.