Home / 70,910.48-97,861.08-40,705.58

Finding the Fourth Proportional to 70,910.48, 97,861.08 and 40,705.58

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Solution

The fourth proportional to 70,910.48, 97,861.08 and 40,705.58 is: 56,176.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,910.48 : 97,861.08 = 40,705.58 : x
  2. Step 2: Convert to fraction form
    70,910.48/97,861.08 = 40,705.58/x
  3. Step 3: Cross multiply
    70,910.48x = 97,861.08 × 40,705.58
  4. Step 4: Simplify right side
    70,910.48x = 3,983,492,020.83
  5. Step 5: Solve for x
    x = 3,983,492,020.83/70,910.48
  6. Step 6: Final answer
    x = 56,176.35

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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.