Home / 56,848.24-85,272.36-19,903.60

Finding the Fourth Proportional to 56,848.24, 85,272.36 and 19,903.60

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Solution

The fourth proportional to 56,848.24, 85,272.36 and 19,903.60 is: 29,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,848.24 : 85,272.36 = 19,903.60 : x
  2. Step 2: Convert to fraction form
    56,848.24/85,272.36 = 19,903.60/x
  3. Step 3: Cross multiply
    56,848.24x = 85,272.36 × 19,903.60
  4. Step 4: Simplify right side
    56,848.24x = 1,697,226,944.50
  5. Step 5: Solve for x
    x = 1,697,226,944.50/56,848.24
  6. Step 6: Final answer
    x = 29,855.40

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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.