Home / 56,867.45-85,316.29-19,427.45

Finding the Fourth Proportional to 56,867.45, 85,316.29 and 19,427.45

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Solution

The fourth proportional to 56,867.45, 85,316.29 and 19,427.45 is: 29,146.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,867.45 : 85,316.29 = 19,427.45 : x
  2. Step 2: Convert to fraction form
    56,867.45/85,316.29 = 19,427.45/x
  3. Step 3: Cross multiply
    56,867.45x = 85,316.29 × 19,427.45
  4. Step 4: Simplify right side
    56,867.45x = 1,657,477,802.95
  5. Step 5: Solve for x
    x = 1,657,477,802.95/56,867.45
  6. Step 6: Final answer
    x = 29,146.34

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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.