Home / 107,725.41-148,655.37-61,782.69

Finding the Fourth Proportional to 107,725.41, 148,655.37 and 61,782.69

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Solution

The fourth proportional to 107,725.41, 148,655.37 and 61,782.69 is: 85,256.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,725.41 : 148,655.37 = 61,782.69 : x
  2. Step 2: Convert to fraction form
    107,725.41/148,655.37 = 61,782.69/x
  3. Step 3: Cross multiply
    107,725.41x = 148,655.37 × 61,782.69
  4. Step 4: Simplify right side
    107,725.41x = 9,184,328,315.77
  5. Step 5: Solve for x
    x = 9,184,328,315.77/107,725.41
  6. Step 6: Final answer
    x = 85,256.84

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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.