Home / 116,705.40-175,041.72-66,623.04

Finding the Fourth Proportional to 116,705.40, 175,041.72 and 66,623.04

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Solution

The fourth proportional to 116,705.40, 175,041.72 and 66,623.04 is: 99,925.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,705.40 : 175,041.72 = 66,623.04 : x
  2. Step 2: Convert to fraction form
    116,705.40/175,041.72 = 66,623.04/x
  3. Step 3: Cross multiply
    116,705.40x = 175,041.72 × 66,623.04
  4. Step 4: Simplify right side
    116,705.40x = 11,661,811,513.23
  5. Step 5: Solve for x
    x = 11,661,811,513.23/116,705.40
  6. Step 6: Final answer
    x = 99,925.21

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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.