Home / 112,904.66-169,303.23-42,739.22

Finding the Fourth Proportional to 112,904.66, 169,303.23 and 42,739.22

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Solution

The fourth proportional to 112,904.66, 169,303.23 and 42,739.22 is: 64,088.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,904.66 : 169,303.23 = 42,739.22 : x
  2. Step 2: Convert to fraction form
    112,904.66/169,303.23 = 42,739.22/x
  3. Step 3: Cross multiply
    112,904.66x = 169,303.23 × 42,739.22
  4. Step 4: Simplify right side
    112,904.66x = 7,235,887,993.68
  5. Step 5: Solve for x
    x = 7,235,887,993.68/112,904.66
  6. Step 6: Final answer
    x = 64,088.48

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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.