Home / 56,303.33-77,697.93-30,809.42

Finding the Fourth Proportional to 56,303.33, 77,697.93 and 30,809.42

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Solution

The fourth proportional to 56,303.33, 77,697.93 and 30,809.42 is: 42,516.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,303.33 : 77,697.93 = 30,809.42 : x
  2. Step 2: Convert to fraction form
    56,303.33/77,697.93 = 30,809.42/x
  3. Step 3: Cross multiply
    56,303.33x = 77,697.93 × 30,809.42
  4. Step 4: Simplify right side
    56,303.33x = 2,393,828,352.75
  5. Step 5: Solve for x
    x = 2,393,828,352.75/56,303.33
  6. Step 6: Final answer
    x = 42,516.64

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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.