Home / 70,782.08-97,683.48-40,569.34

Finding the Fourth Proportional to 70,782.08, 97,683.48 and 40,569.34

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Solution

The fourth proportional to 70,782.08, 97,683.48 and 40,569.34 is: 55,988.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,782.08 : 97,683.48 = 40,569.34 : x
  2. Step 2: Convert to fraction form
    70,782.08/97,683.48 = 40,569.34/x
  3. Step 3: Cross multiply
    70,782.08x = 97,683.48 × 40,569.34
  4. Step 4: Simplify right side
    70,782.08x = 3,962,954,109.66
  5. Step 5: Solve for x
    x = 3,962,954,109.66/70,782.08
  6. Step 6: Final answer
    x = 55,988.10

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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.