Home / 111,561.08-153,953.58-63,815.22

Finding the Fourth Proportional to 111,561.08, 153,953.58 and 63,815.22

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Solution

The fourth proportional to 111,561.08, 153,953.58 and 63,815.22 is: 88,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,561.08 : 153,953.58 = 63,815.22 : x
  2. Step 2: Convert to fraction form
    111,561.08/153,953.58 = 63,815.22/x
  3. Step 3: Cross multiply
    111,561.08x = 153,953.58 × 63,815.22
  4. Step 4: Simplify right side
    111,561.08x = 9,824,581,577.49
  5. Step 5: Solve for x
    x = 9,824,581,577.49/111,561.08
  6. Step 6: Final answer
    x = 88,064.60

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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.