Home / 124,518.06-171,838.26-70,811.82

Finding the Fourth Proportional to 124,518.06, 171,838.26 and 70,811.82

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Solution

The fourth proportional to 124,518.06, 171,838.26 and 70,811.82 is: 97,722.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,518.06 : 171,838.26 = 70,811.82 : x
  2. Step 2: Convert to fraction form
    124,518.06/171,838.26 = 70,811.82/x
  3. Step 3: Cross multiply
    124,518.06x = 171,838.26 × 70,811.82
  4. Step 4: Simplify right side
    124,518.06x = 12,168,179,936.23
  5. Step 5: Solve for x
    x = 12,168,179,936.23/124,518.06
  6. Step 6: Final answer
    x = 97,722.21

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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.