Home / 103,750.03-143,176.40-60,756.31

Finding the Fourth Proportional to 103,750.03, 143,176.40 and 60,756.31

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Solution

The fourth proportional to 103,750.03, 143,176.40 and 60,756.31 is: 83,844.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,750.03 : 143,176.40 = 60,756.31 : x
  2. Step 2: Convert to fraction form
    103,750.03/143,176.40 = 60,756.31/x
  3. Step 3: Cross multiply
    103,750.03x = 143,176.40 × 60,756.31
  4. Step 4: Simplify right side
    103,750.03x = 8,698,869,743.08
  5. Step 5: Solve for x
    x = 8,698,869,743.08/103,750.03
  6. Step 6: Final answer
    x = 83,844.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.