Home / 79,014.58-109,050.40-45,035.22

Finding the Fourth Proportional to 79,014.58, 109,050.40 and 45,035.22

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Solution

The fourth proportional to 79,014.58, 109,050.40 and 45,035.22 is: 62,154.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,014.58 : 109,050.40 = 45,035.22 : x
  2. Step 2: Convert to fraction form
    79,014.58/109,050.40 = 45,035.22/x
  3. Step 3: Cross multiply
    79,014.58x = 109,050.40 × 45,035.22
  4. Step 4: Simplify right side
    79,014.58x = 4,911,108,755.09
  5. Step 5: Solve for x
    x = 4,911,108,755.09/79,014.58
  6. Step 6: Final answer
    x = 62,154.46

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1.5x scale

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.