Home / 99,759.44-137,681.16-69,525.20

Finding the Fourth Proportional to 99,759.44, 137,681.16 and 69,525.20

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Solution

The fourth proportional to 99,759.44, 137,681.16 and 69,525.20 is: 95,953.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,759.44 : 137,681.16 = 69,525.20 : x
  2. Step 2: Convert to fraction form
    99,759.44/137,681.16 = 69,525.20/x
  3. Step 3: Cross multiply
    99,759.44x = 137,681.16 × 69,525.20
  4. Step 4: Simplify right side
    99,759.44x = 9,572,310,185.23
  5. Step 5: Solve for x
    x = 9,572,310,185.23/99,759.44
  6. Step 6: Final answer
    x = 95,953.93

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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.