Home / 124,435.36-171,716.52-70,719.44

Finding the Fourth Proportional to 124,435.36, 171,716.52 and 70,719.44

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Solution

The fourth proportional to 124,435.36, 171,716.52 and 70,719.44 is: 97,590.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,435.36 : 171,716.52 = 70,719.44 : x
  2. Step 2: Convert to fraction form
    124,435.36/171,716.52 = 70,719.44/x
  3. Step 3: Cross multiply
    124,435.36x = 171,716.52 × 70,719.44
  4. Step 4: Simplify right side
    124,435.36x = 12,143,696,133.15
  5. Step 5: Solve for x
    x = 12,143,696,133.15/124,435.36
  6. Step 6: Final answer
    x = 97,590.40

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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.