Home / 104,784.61-157,178.36-29,904.72

Finding the Fourth Proportional to 104,784.61, 157,178.36 and 29,904.72

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Solution

The fourth proportional to 104,784.61, 157,178.36 and 29,904.72 is: 44,857.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,784.61 : 157,178.36 = 29,904.72 : x
  2. Step 2: Convert to fraction form
    104,784.61/157,178.36 = 29,904.72/x
  3. Step 3: Cross multiply
    104,784.61x = 157,178.36 × 29,904.72
  4. Step 4: Simplify right side
    104,784.61x = 4,700,374,845.86
  5. Step 5: Solve for x
    x = 4,700,374,845.86/104,784.61
  6. Step 6: Final answer
    x = 44,857.49

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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.