Home / 70,512.68-97,316.12-40,291.07

Finding the Fourth Proportional to 70,512.68, 97,316.12 and 40,291.07

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Solution

The fourth proportional to 70,512.68, 97,316.12 and 40,291.07 is: 55,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,512.68 : 97,316.12 = 40,291.07 : x
  2. Step 2: Convert to fraction form
    70,512.68/97,316.12 = 40,291.07/x
  3. Step 3: Cross multiply
    70,512.68x = 97,316.12 × 40,291.07
  4. Step 4: Simplify right side
    70,512.68x = 3,920,969,915.01
  5. Step 5: Solve for x
    x = 3,920,969,915.01/70,512.68
  6. Step 6: Final answer
    x = 55,606.60

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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.