Home / 70,076.53-96,705.12-38,246.77

Finding the Fourth Proportional to 70,076.53, 96,705.12 and 38,246.77

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Solution

The fourth proportional to 70,076.53, 96,705.12 and 38,246.77 is: 52,780.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,076.53 : 96,705.12 = 38,246.77 : x
  2. Step 2: Convert to fraction form
    70,076.53/96,705.12 = 38,246.77/x
  3. Step 3: Cross multiply
    70,076.53x = 96,705.12 × 38,246.77
  4. Step 4: Simplify right side
    70,076.53x = 3,698,658,482.46
  5. Step 5: Solve for x
    x = 3,698,658,482.46/70,076.53
  6. Step 6: Final answer
    x = 52,780.27

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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.