Home / 105,191.27-157,788.30-35,070.61

Finding the Fourth Proportional to 105,191.27, 157,788.30 and 35,070.61

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Solution

The fourth proportional to 105,191.27, 157,788.30 and 35,070.61 is: 52,606.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,191.27 : 157,788.30 = 35,070.61 : x
  2. Step 2: Convert to fraction form
    105,191.27/157,788.30 = 35,070.61/x
  3. Step 3: Cross multiply
    105,191.27x = 157,788.30 × 35,070.61
  4. Step 4: Simplify right side
    105,191.27x = 5,533,731,931.86
  5. Step 5: Solve for x
    x = 5,533,731,931.86/105,191.27
  6. Step 6: Final answer
    x = 52,606.38

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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.