Home / 93,421.36-140,126.27-30,240.10

Finding the Fourth Proportional to 93,421.36, 140,126.27 and 30,240.10

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Solution

The fourth proportional to 93,421.36, 140,126.27 and 30,240.10 is: 45,358.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,421.36 : 140,126.27 = 30,240.10 : x
  2. Step 2: Convert to fraction form
    93,421.36/140,126.27 = 30,240.10/x
  3. Step 3: Cross multiply
    93,421.36x = 140,126.27 × 30,240.10
  4. Step 4: Simplify right side
    93,421.36x = 4,237,431,716.80
  5. Step 5: Solve for x
    x = 4,237,431,716.80/93,421.36
  6. Step 6: Final answer
    x = 45,358.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.