Home / 109,938.72-164,894.64-46,784.28

Finding the Fourth Proportional to 109,938.72, 164,894.64 and 46,784.28

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Solution

The fourth proportional to 109,938.72, 164,894.64 and 46,784.28 is: 70,170.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,938.72 : 164,894.64 = 46,784.28 : x
  2. Step 2: Convert to fraction form
    109,938.72/164,894.64 = 46,784.28/x
  3. Step 3: Cross multiply
    109,938.72x = 164,894.64 × 46,784.28
  4. Step 4: Simplify right side
    109,938.72x = 7,714,477,008.26
  5. Step 5: Solve for x
    x = 7,714,477,008.26/109,938.72
  6. Step 6: Final answer
    x = 70,170.70

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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.