Home / 70,333.50-97,068.03-40,126.27

Finding the Fourth Proportional to 70,333.50, 97,068.03 and 40,126.27

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Solution

The fourth proportional to 70,333.50, 97,068.03 and 40,126.27 is: 55,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,333.50 : 97,068.03 = 40,126.27 : x
  2. Step 2: Convert to fraction form
    70,333.50/97,068.03 = 40,126.27/x
  3. Step 3: Cross multiply
    70,333.50x = 97,068.03 × 40,126.27
  4. Step 4: Simplify right side
    70,333.50x = 3,894,977,980.15
  5. Step 5: Solve for x
    x = 3,894,977,980.15/70,333.50
  6. Step 6: Final answer
    x = 55,378.70

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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.