Home / 57,971.40-86,782.03-52,427.35

Finding the Fourth Proportional to 57,971.40, 86,782.03 and 52,427.35

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Solution

The fourth proportional to 57,971.40, 86,782.03 and 52,427.35 is: 78,482.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,971.40 : 86,782.03 = 52,427.35 : x
  2. Step 2: Convert to fraction form
    57,971.40/86,782.03 = 52,427.35/x
  3. Step 3: Cross multiply
    57,971.40x = 86,782.03 × 52,427.35
  4. Step 4: Simplify right side
    57,971.40x = 4,549,751,729.45
  5. Step 5: Solve for x
    x = 4,549,751,729.45/57,971.40
  6. Step 6: Final answer
    x = 78,482.70

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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.