Home / 121,482.36-167,649.82-70,491.24

Finding the Fourth Proportional to 121,482.36, 167,649.82 and 70,491.24

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Solution

The fourth proportional to 121,482.36, 167,649.82 and 70,491.24 is: 97,280.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,482.36 : 167,649.82 = 70,491.24 : x
  2. Step 2: Convert to fraction form
    121,482.36/167,649.82 = 70,491.24/x
  3. Step 3: Cross multiply
    121,482.36x = 167,649.82 × 70,491.24
  4. Step 4: Simplify right side
    121,482.36x = 11,817,843,697.58
  5. Step 5: Solve for x
    x = 11,817,843,697.58/121,482.36
  6. Step 6: Final answer
    x = 97,280.33

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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.