Home / 55,853.24-77,075.52-30,702.56

Finding the Fourth Proportional to 55,853.24, 77,075.52 and 30,702.56

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Solution

The fourth proportional to 55,853.24, 77,075.52 and 30,702.56 is: 42,368.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,853.24 : 77,075.52 = 30,702.56 : x
  2. Step 2: Convert to fraction form
    55,853.24/77,075.52 = 30,702.56/x
  3. Step 3: Cross multiply
    55,853.24x = 77,075.52 × 30,702.56
  4. Step 4: Simplify right side
    55,853.24x = 2,366,415,777.33
  5. Step 5: Solve for x
    x = 2,366,415,777.33/55,853.24
  6. Step 6: Final answer
    x = 42,368.46

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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.