Home / 109,666.80-164,543.40-43,095.60

Finding the Fourth Proportional to 109,666.80, 164,543.40 and 43,095.60

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Solution

The fourth proportional to 109,666.80, 164,543.40 and 43,095.60 is: 64,660.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,666.80 : 164,543.40 = 43,095.60 : x
  2. Step 2: Convert to fraction form
    109,666.80/164,543.40 = 43,095.60/x
  3. Step 3: Cross multiply
    109,666.80x = 164,543.40 × 43,095.60
  4. Step 4: Simplify right side
    109,666.80x = 7,091,096,549.04
  5. Step 5: Solve for x
    x = 7,091,096,549.04/109,666.80
  6. Step 6: Final answer
    x = 64,660.38

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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.