Home / 109,703.16-164,520.72-39,573.36

Finding the Fourth Proportional to 109,703.16, 164,520.72 and 39,573.36

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Solution

The fourth proportional to 109,703.16, 164,520.72 and 39,573.36 is: 59,347.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,703.16 : 164,520.72 = 39,573.36 : x
  2. Step 2: Convert to fraction form
    109,703.16/164,520.72 = 39,573.36/x
  3. Step 3: Cross multiply
    109,703.16x = 164,520.72 × 39,573.36
  4. Step 4: Simplify right side
    109,703.16x = 6,510,637,680.02
  5. Step 5: Solve for x
    x = 6,510,637,680.02/109,703.16
  6. Step 6: Final answer
    x = 59,347.77

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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.