Home / 109,083.36-150,461.03-70,774.46

Finding the Fourth Proportional to 109,083.36, 150,461.03 and 70,774.46

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Solution

The fourth proportional to 109,083.36, 150,461.03 and 70,774.46 is: 97,620.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,083.36 : 150,461.03 = 70,774.46 : x
  2. Step 2: Convert to fraction form
    109,083.36/150,461.03 = 70,774.46/x
  3. Step 3: Cross multiply
    109,083.36x = 150,461.03 × 70,774.46
  4. Step 4: Simplify right side
    109,083.36x = 10,648,798,149.29
  5. Step 5: Solve for x
    x = 10,648,798,149.29/109,083.36
  6. Step 6: Final answer
    x = 97,620.74

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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.