Home / 55,698.14-76,865.19-30,549.98

Finding the Fourth Proportional to 55,698.14, 76,865.19 and 30,549.98

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Solution

The fourth proportional to 55,698.14, 76,865.19 and 30,549.98 is: 42,159.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,698.14 : 76,865.19 = 30,549.98 : x
  2. Step 2: Convert to fraction form
    55,698.14/76,865.19 = 30,549.98/x
  3. Step 3: Cross multiply
    55,698.14x = 76,865.19 × 30,549.98
  4. Step 4: Simplify right side
    55,698.14x = 2,348,230,017.20
  5. Step 5: Solve for x
    x = 2,348,230,017.20/55,698.14
  6. Step 6: Final answer
    x = 42,159.94

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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.