Home / 125,063.41-172,587.32-67,702.45

Finding the Fourth Proportional to 125,063.41, 172,587.32 and 67,702.45

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Solution

The fourth proportional to 125,063.41, 172,587.32 and 67,702.45 is: 93,429.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,063.41 : 172,587.32 = 67,702.45 : x
  2. Step 2: Convert to fraction form
    125,063.41/172,587.32 = 67,702.45/x
  3. Step 3: Cross multiply
    125,063.41x = 172,587.32 × 67,702.45
  4. Step 4: Simplify right side
    125,063.41x = 11,684,583,886.84
  5. Step 5: Solve for x
    x = 11,684,583,886.84/125,063.41
  6. Step 6: Final answer
    x = 93,429.28

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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.