Home / 98,514.80-147,772.20-39,359.60

Finding the Fourth Proportional to 98,514.80, 147,772.20 and 39,359.60

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Solution

The fourth proportional to 98,514.80, 147,772.20 and 39,359.60 is: 59,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,514.80 : 147,772.20 = 39,359.60 : x
  2. Step 2: Convert to fraction form
    98,514.80/147,772.20 = 39,359.60/x
  3. Step 3: Cross multiply
    98,514.80x = 147,772.20 × 39,359.60
  4. Step 4: Simplify right side
    98,514.80x = 5,816,254,683.12
  5. Step 5: Solve for x
    x = 5,816,254,683.12/98,514.80
  6. Step 6: Final answer
    x = 59,039.40

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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.