Home / 70,840.23-97,755.75-40,624.11

Finding the Fourth Proportional to 70,840.23, 97,755.75 and 40,624.11

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Solution

The fourth proportional to 70,840.23, 97,755.75 and 40,624.11 is: 56,059.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,840.23 : 97,755.75 = 40,624.11 : x
  2. Step 2: Convert to fraction form
    70,840.23/97,755.75 = 40,624.11/x
  3. Step 3: Cross multiply
    70,840.23x = 97,755.75 × 40,624.11
  4. Step 4: Simplify right side
    70,840.23x = 3,971,240,341.13
  5. Step 5: Solve for x
    x = 3,971,240,341.13/70,840.23
  6. Step 6: Final answer
    x = 56,059.11

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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.