Home / 114,870.12-172,305.02-35,990.48

Finding the Fourth Proportional to 114,870.12, 172,305.02 and 35,990.48

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Solution

The fourth proportional to 114,870.12, 172,305.02 and 35,990.48 is: 53,985.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,870.12 : 172,305.02 = 35,990.48 : x
  2. Step 2: Convert to fraction form
    114,870.12/172,305.02 = 35,990.48/x
  3. Step 3: Cross multiply
    114,870.12x = 172,305.02 × 35,990.48
  4. Step 4: Simplify right side
    114,870.12x = 6,201,340,376.21
  5. Step 5: Solve for x
    x = 6,201,340,376.21/114,870.12
  6. Step 6: Final answer
    x = 53,985.67

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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.