Home / 121,325.02-167,429.18-70,367.94

Finding the Fourth Proportional to 121,325.02, 167,429.18 and 70,367.94

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Solution

The fourth proportional to 121,325.02, 167,429.18 and 70,367.94 is: 97,108.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,325.02 : 167,429.18 = 70,367.94 : x
  2. Step 2: Convert to fraction form
    121,325.02/167,429.18 = 70,367.94/x
  3. Step 3: Cross multiply
    121,325.02x = 167,429.18 × 70,367.94
  4. Step 4: Simplify right side
    121,325.02x = 11,781,646,492.49
  5. Step 5: Solve for x
    x = 11,781,646,492.49/121,325.02
  6. Step 6: Final answer
    x = 97,108.14

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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.