Home / 70,312.20-97,029.54-38,480.46

Finding the Fourth Proportional to 70,312.20, 97,029.54 and 38,480.46

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Solution

The fourth proportional to 70,312.20, 97,029.54 and 38,480.46 is: 53,102.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,312.20 : 97,029.54 = 38,480.46 : x
  2. Step 2: Convert to fraction form
    70,312.20/97,029.54 = 38,480.46/x
  3. Step 3: Cross multiply
    70,312.20x = 97,029.54 × 38,480.46
  4. Step 4: Simplify right side
    70,312.20x = 3,733,741,332.79
  5. Step 5: Solve for x
    x = 3,733,741,332.79/70,312.20
  6. Step 6: Final answer
    x = 53,102.33

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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.