Home / 145,890.72-218,824.74-46,053.90

Finding the Fourth Proportional to 145,890.72, 218,824.74 and 46,053.90

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Solution

The fourth proportional to 145,890.72, 218,824.74 and 46,053.90 is: 69,077.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,890.72 : 218,824.74 = 46,053.90 : x
  2. Step 2: Convert to fraction form
    145,890.72/218,824.74 = 46,053.90/x
  3. Step 3: Cross multiply
    145,890.72x = 218,824.74 × 46,053.90
  4. Step 4: Simplify right side
    145,890.72x = 10,077,732,693.49
  5. Step 5: Solve for x
    x = 10,077,732,693.49/145,890.72
  6. Step 6: Final answer
    x = 69,077.27

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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.