Home / 121,085.18-167,094.93-70,100.06

Finding the Fourth Proportional to 121,085.18, 167,094.93 and 70,100.06

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Solution

The fourth proportional to 121,085.18, 167,094.93 and 70,100.06 is: 96,736.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,085.18 : 167,094.93 = 70,100.06 : x
  2. Step 2: Convert to fraction form
    121,085.18/167,094.93 = 70,100.06/x
  3. Step 3: Cross multiply
    121,085.18x = 167,094.93 × 70,100.06
  4. Step 4: Simplify right side
    121,085.18x = 11,713,364,618.70
  5. Step 5: Solve for x
    x = 11,713,364,618.70/121,085.18
  6. Step 6: Final answer
    x = 96,736.57

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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.