Home / 70,782.22-97,683.50-40,572.57

Finding the Fourth Proportional to 70,782.22, 97,683.50 and 40,572.57

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Solution

The fourth proportional to 70,782.22, 97,683.50 and 40,572.57 is: 55,992.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,782.22 : 97,683.50 = 40,572.57 : x
  2. Step 2: Convert to fraction form
    70,782.22/97,683.50 = 40,572.57/x
  3. Step 3: Cross multiply
    70,782.22x = 97,683.50 × 40,572.57
  4. Step 4: Simplify right side
    70,782.22x = 3,963,270,641.60
  5. Step 5: Solve for x
    x = 3,963,270,641.60/70,782.22
  6. Step 6: Final answer
    x = 55,992.46

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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.