Home / 98,729.20-147,923.70-46,030.60

Finding the Fourth Proportional to 98,729.20, 147,923.70 and 46,030.60

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Solution

The fourth proportional to 98,729.20, 147,923.70 and 46,030.60 is: 68,966.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,729.20 : 147,923.70 = 46,030.60 : x
  2. Step 2: Convert to fraction form
    98,729.20/147,923.70 = 46,030.60/x
  3. Step 3: Cross multiply
    98,729.20x = 147,923.70 × 46,030.60
  4. Step 4: Simplify right side
    98,729.20x = 6,809,016,665.22
  5. Step 5: Solve for x
    x = 6,809,016,665.22/98,729.20
  6. Step 6: Final answer
    x = 68,966.59

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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.