Home / 62,316.72-85,907.76-38,427.36

Finding the Fourth Proportional to 62,316.72, 85,907.76 and 38,427.36

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Solution

The fourth proportional to 62,316.72, 85,907.76 and 38,427.36 is: 52,974.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,316.72 : 85,907.76 = 38,427.36 : x
  2. Step 2: Convert to fraction form
    62,316.72/85,907.76 = 38,427.36/x
  3. Step 3: Cross multiply
    62,316.72x = 85,907.76 × 38,427.36
  4. Step 4: Simplify right side
    62,316.72x = 3,301,208,420.31
  5. Step 5: Solve for x
    x = 3,301,208,420.31/62,316.72
  6. Step 6: Final answer
    x = 52,974.68

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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.