Home / 124,465.50-171,762.39-67,877.28

Finding the Fourth Proportional to 124,465.50, 171,762.39 and 67,877.28

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Solution

The fourth proportional to 124,465.50, 171,762.39 and 67,877.28 is: 93,670.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,465.50 : 171,762.39 = 67,877.28 : x
  2. Step 2: Convert to fraction form
    124,465.50/171,762.39 = 67,877.28/x
  3. Step 3: Cross multiply
    124,465.50x = 171,762.39 × 67,877.28
  4. Step 4: Simplify right side
    124,465.50x = 11,658,763,839.50
  5. Step 5: Solve for x
    x = 11,658,763,839.50/124,465.50
  6. Step 6: Final answer
    x = 93,670.65

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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.