Home / 98,386.75-147,628.31-42,210.24

Finding the Fourth Proportional to 98,386.75, 147,628.31 and 42,210.24

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Solution

The fourth proportional to 98,386.75, 147,628.31 and 42,210.24 is: 63,336.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,386.75 : 147,628.31 = 42,210.24 : x
  2. Step 2: Convert to fraction form
    98,386.75/147,628.31 = 42,210.24/x
  3. Step 3: Cross multiply
    98,386.75x = 147,628.31 × 42,210.24
  4. Step 4: Simplify right side
    98,386.75x = 6,231,426,395.89
  5. Step 5: Solve for x
    x = 6,231,426,395.89/98,386.75
  6. Step 6: Final answer
    x = 63,336.03

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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.