Home / 70,220.36-96,904.43-38,389.25

Finding the Fourth Proportional to 70,220.36, 96,904.43 and 38,389.25

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Solution

The fourth proportional to 70,220.36, 96,904.43 and 38,389.25 is: 52,977.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,220.36 : 96,904.43 = 38,389.25 : x
  2. Step 2: Convert to fraction form
    70,220.36/96,904.43 = 38,389.25/x
  3. Step 3: Cross multiply
    70,220.36x = 96,904.43 × 38,389.25
  4. Step 4: Simplify right side
    70,220.36x = 3,720,088,854.89
  5. Step 5: Solve for x
    x = 3,720,088,854.89/70,220.36
  6. Step 6: Final answer
    x = 52,977.36

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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.