Home / 108,784.61-163,137.04-37,688.89

Finding the Fourth Proportional to 108,784.61, 163,137.04 and 37,688.89

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Solution

The fourth proportional to 108,784.61, 163,137.04 and 37,688.89 is: 56,519.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,784.61 : 163,137.04 = 37,688.89 : x
  2. Step 2: Convert to fraction form
    108,784.61/163,137.04 = 37,688.89/x
  3. Step 3: Cross multiply
    108,784.61x = 163,137.04 × 37,688.89
  4. Step 4: Simplify right side
    108,784.61x = 6,148,453,955.49
  5. Step 5: Solve for x
    x = 6,148,453,955.49/108,784.61
  6. Step 6: Final answer
    x = 56,519.52

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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.