Home / 55,779.88-76,988.10-33,436.84

Finding the Fourth Proportional to 55,779.88, 76,988.10 and 33,436.84

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Solution

The fourth proportional to 55,779.88, 76,988.10 and 33,436.84 is: 46,149.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,779.88 : 76,988.10 = 33,436.84 : x
  2. Step 2: Convert to fraction form
    55,779.88/76,988.10 = 33,436.84/x
  3. Step 3: Cross multiply
    55,779.88x = 76,988.10 × 33,436.84
  4. Step 4: Simplify right side
    55,779.88x = 2,574,238,781.60
  5. Step 5: Solve for x
    x = 2,574,238,781.60/55,779.88
  6. Step 6: Final answer
    x = 46,149.95

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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.