Home / 70,877.58-97,825.19-40,683.30

Finding the Fourth Proportional to 70,877.58, 97,825.19 and 40,683.30

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Solution

The fourth proportional to 70,877.58, 97,825.19 and 40,683.30 is: 56,151.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,877.58 : 97,825.19 = 40,683.30 : x
  2. Step 2: Convert to fraction form
    70,877.58/97,825.19 = 40,683.30/x
  3. Step 3: Cross multiply
    70,877.58x = 97,825.19 × 40,683.30
  4. Step 4: Simplify right side
    70,877.58x = 3,979,851,348.91
  5. Step 5: Solve for x
    x = 3,979,851,348.91/70,877.58
  6. Step 6: Final answer
    x = 56,151.06

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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.