Home / 70,938.10-97,899.20-40,733.20

Finding the Fourth Proportional to 70,938.10, 97,899.20 and 40,733.20

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Solution

The fourth proportional to 70,938.10, 97,899.20 and 40,733.20 is: 56,214.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,938.10 : 97,899.20 = 40,733.20 : x
  2. Step 2: Convert to fraction form
    70,938.10/97,899.20 = 40,733.20/x
  3. Step 3: Cross multiply
    70,938.10x = 97,899.20 × 40,733.20
  4. Step 4: Simplify right side
    70,938.10x = 3,987,747,693.44
  5. Step 5: Solve for x
    x = 3,987,747,693.44/70,938.10
  6. Step 6: Final answer
    x = 56,214.47

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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.