Home / 55,292.09-76,303.04-30,141.59

Finding the Fourth Proportional to 55,292.09, 76,303.04 and 30,141.59

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Solution

The fourth proportional to 55,292.09, 76,303.04 and 30,141.59 is: 41,595.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,292.09 : 76,303.04 = 30,141.59 : x
  2. Step 2: Convert to fraction form
    55,292.09/76,303.04 = 30,141.59/x
  3. Step 3: Cross multiply
    55,292.09x = 76,303.04 × 30,141.59
  4. Step 4: Simplify right side
    55,292.09x = 2,299,894,415.21
  5. Step 5: Solve for x
    x = 2,299,894,415.21/55,292.09
  6. Step 6: Final answer
    x = 41,595.36

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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.