Home / 125,050.13-172,569.69-68,466.77

Finding the Fourth Proportional to 125,050.13, 172,569.69 and 68,466.77

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Solution

The fourth proportional to 125,050.13, 172,569.69 and 68,466.77 is: 94,484.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,050.13 : 172,569.69 = 68,466.77 : x
  2. Step 2: Convert to fraction form
    125,050.13/172,569.69 = 68,466.77/x
  3. Step 3: Cross multiply
    125,050.13x = 172,569.69 × 68,466.77
  4. Step 4: Simplify right side
    125,050.13x = 11,815,288,931.87
  5. Step 5: Solve for x
    x = 11,815,288,931.87/125,050.13
  6. Step 6: Final answer
    x = 94,484.42

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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.