Home / 113,117.27-169,697.77-42,991.12

Finding the Fourth Proportional to 113,117.27, 169,697.77 and 42,991.12

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Solution

The fourth proportional to 113,117.27, 169,697.77 and 42,991.12 is: 64,494.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,117.27 : 169,697.77 = 42,991.12 : x
  2. Step 2: Convert to fraction form
    113,117.27/169,697.77 = 42,991.12/x
  3. Step 3: Cross multiply
    113,117.27x = 169,697.77 × 42,991.12
  4. Step 4: Simplify right side
    113,117.27x = 7,295,496,130.36
  5. Step 5: Solve for x
    x = 7,295,496,130.36/113,117.27
  6. Step 6: Final answer
    x = 64,494.98

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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.