Home / 111,530.08-153,911.46-63,782.92

Finding the Fourth Proportional to 111,530.08, 153,911.46 and 63,782.92

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Solution

The fourth proportional to 111,530.08, 153,911.46 and 63,782.92 is: 88,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,530.08 : 153,911.46 = 63,782.92 : x
  2. Step 2: Convert to fraction form
    111,530.08/153,911.46 = 63,782.92/x
  3. Step 3: Cross multiply
    111,530.08x = 153,911.46 × 63,782.92
  4. Step 4: Simplify right side
    111,530.08x = 9,816,922,340.26
  5. Step 5: Solve for x
    x = 9,816,922,340.26/111,530.08
  6. Step 6: Final answer
    x = 88,020.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.