Home / 124,318.36-171,556.02-70,605.64

Finding the Fourth Proportional to 124,318.36, 171,556.02 and 70,605.64

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Solution

The fourth proportional to 124,318.36, 171,556.02 and 70,605.64 is: 97,433.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,318.36 : 171,556.02 = 70,605.64 : x
  2. Step 2: Convert to fraction form
    124,318.36/171,556.02 = 70,605.64/x
  3. Step 3: Cross multiply
    124,318.36x = 171,556.02 × 70,605.64
  4. Step 4: Simplify right side
    124,318.36x = 12,112,822,587.95
  5. Step 5: Solve for x
    x = 12,112,822,587.95/124,318.36
  6. Step 6: Final answer
    x = 97,433.90

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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.