Home / 121,237.36-167,307.74-70,259.87

Finding the Fourth Proportional to 121,237.36, 167,307.74 and 70,259.87

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Solution

The fourth proportional to 121,237.36, 167,307.74 and 70,259.87 is: 96,958.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,237.36 : 167,307.74 = 70,259.87 : x
  2. Step 2: Convert to fraction form
    121,237.36/167,307.74 = 70,259.87/x
  3. Step 3: Cross multiply
    121,237.36x = 167,307.74 × 70,259.87
  4. Step 4: Simplify right side
    121,237.36x = 11,755,020,392.84
  5. Step 5: Solve for x
    x = 11,755,020,392.84/121,237.36
  6. Step 6: Final answer
    x = 96,958.73

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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.