Home / 98,386.54-147,623.01-51,628.48

Finding the Fourth Proportional to 98,386.54, 147,623.01 and 51,628.48

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Solution

The fourth proportional to 98,386.54, 147,623.01 and 51,628.48 is: 77,465.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,386.54 : 147,623.01 = 51,628.48 : x
  2. Step 2: Convert to fraction form
    98,386.54/147,623.01 = 51,628.48/x
  3. Step 3: Cross multiply
    98,386.54x = 147,623.01 × 51,628.48
  4. Step 4: Simplify right side
    98,386.54x = 7,621,551,619.32
  5. Step 5: Solve for x
    x = 7,621,551,619.32/98,386.54
  6. Step 6: Final answer
    x = 77,465.39

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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.