Home / 102,583.80-153,890.10-32,455.80

Finding the Fourth Proportional to 102,583.80, 153,890.10 and 32,455.80

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Solution

The fourth proportional to 102,583.80, 153,890.10 and 32,455.80 is: 48,688.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,583.80 : 153,890.10 = 32,455.80 : x
  2. Step 2: Convert to fraction form
    102,583.80/153,890.10 = 32,455.80/x
  3. Step 3: Cross multiply
    102,583.80x = 153,890.10 × 32,455.80
  4. Step 4: Simplify right side
    102,583.80x = 4,994,626,307.58
  5. Step 5: Solve for x
    x = 4,994,626,307.58/102,583.80
  6. Step 6: Final answer
    x = 48,688.26

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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.