Home / 56,880.12-85,330.32-19,444.35

Finding the Fourth Proportional to 56,880.12, 85,330.32 and 19,444.35

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Solution

The fourth proportional to 56,880.12, 85,330.32 and 19,444.35 is: 29,169.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,880.12 : 85,330.32 = 19,444.35 : x
  2. Step 2: Convert to fraction form
    56,880.12/85,330.32 = 19,444.35/x
  3. Step 3: Cross multiply
    56,880.12x = 85,330.32 × 19,444.35
  4. Step 4: Simplify right side
    56,880.12x = 1,659,192,607.69
  5. Step 5: Solve for x
    x = 1,659,192,607.69/56,880.12
  6. Step 6: Final answer
    x = 29,169.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.