Home / 109,828.18-164,709.60-46,647.40

Finding the Fourth Proportional to 109,828.18, 164,709.60 and 46,647.40

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Solution

The fourth proportional to 109,828.18, 164,709.60 and 46,647.40 is: 69,957.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,828.18 : 164,709.60 = 46,647.40 : x
  2. Step 2: Convert to fraction form
    109,828.18/164,709.60 = 46,647.40/x
  3. Step 3: Cross multiply
    109,828.18x = 164,709.60 × 46,647.40
  4. Step 4: Simplify right side
    109,828.18x = 7,683,274,595.04
  5. Step 5: Solve for x
    x = 7,683,274,595.04/109,828.18
  6. Step 6: Final answer
    x = 69,957.22

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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.