Home / 140,042.30-210,063.49-46,548.05

Finding the Fourth Proportional to 140,042.30, 210,063.49 and 46,548.05

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Solution

The fourth proportional to 140,042.30, 210,063.49 and 46,548.05 is: 69,822.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,042.30 : 210,063.49 = 46,548.05 : x
  2. Step 2: Convert to fraction form
    140,042.30/210,063.49 = 46,548.05/x
  3. Step 3: Cross multiply
    140,042.30x = 210,063.49 × 46,548.05
  4. Step 4: Simplify right side
    140,042.30x = 9,778,044,669.01
  5. Step 5: Solve for x
    x = 9,778,044,669.01/140,042.30
  6. Step 6: Final answer
    x = 69,822.08

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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.