Home / 98,969.04-148,511.88-39,810.69

Finding the Fourth Proportional to 98,969.04, 148,511.88 and 39,810.69

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Solution

The fourth proportional to 98,969.04, 148,511.88 and 39,810.69 is: 59,739.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,969.04 : 148,511.88 = 39,810.69 : x
  2. Step 2: Convert to fraction form
    98,969.04/148,511.88 = 39,810.69/x
  3. Step 3: Cross multiply
    98,969.04x = 148,511.88 × 39,810.69
  4. Step 4: Simplify right side
    98,969.04x = 5,912,360,416.00
  5. Step 5: Solve for x
    x = 5,912,360,416.00/98,969.04
  6. Step 6: Final answer
    x = 59,739.49

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1.5x scale

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.