Home / 125,681.40-173,443.26-68,323.98

Finding the Fourth Proportional to 125,681.40, 173,443.26 and 68,323.98

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Solution

The fourth proportional to 125,681.40, 173,443.26 and 68,323.98 is: 94,288.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,681.40 : 173,443.26 = 68,323.98 : x
  2. Step 2: Convert to fraction form
    125,681.40/173,443.26 = 68,323.98/x
  3. Step 3: Cross multiply
    125,681.40x = 173,443.26 × 68,323.98
  4. Step 4: Simplify right side
    125,681.40x = 11,850,333,827.37
  5. Step 5: Solve for x
    x = 11,850,333,827.37/125,681.40
  6. Step 6: Final answer
    x = 94,288.68

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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.