Home / 205,830.59-308,702.69-58,052.03

Finding the Fourth Proportional to 205,830.59, 308,702.69 and 58,052.03

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Solution

The fourth proportional to 205,830.59, 308,702.69 and 58,052.03 is: 87,065.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,830.59 : 308,702.69 = 58,052.03 : x
  2. Step 2: Convert to fraction form
    205,830.59/308,702.69 = 58,052.03/x
  3. Step 3: Cross multiply
    205,830.59x = 308,702.69 × 58,052.03
  4. Step 4: Simplify right side
    205,830.59x = 17,920,817,820.96
  5. Step 5: Solve for x
    x = 17,920,817,820.96/205,830.59
  6. Step 6: Final answer
    x = 87,065.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.