Home / 111,069.40-153,279.84-63,322.24

Finding the Fourth Proportional to 111,069.40, 153,279.84 and 63,322.24

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Solution

The fourth proportional to 111,069.40, 153,279.84 and 63,322.24 is: 87,387.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,069.40 : 153,279.84 = 63,322.24 : x
  2. Step 2: Convert to fraction form
    111,069.40/153,279.84 = 63,322.24/x
  3. Step 3: Cross multiply
    111,069.40x = 153,279.84 × 63,322.24
  4. Step 4: Simplify right side
    111,069.40x = 9,706,022,815.64
  5. Step 5: Solve for x
    x = 9,706,022,815.64/111,069.40
  6. Step 6: Final answer
    x = 87,387.01

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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.