Home / 112,457.76-168,603.30-68,074.01

Finding the Fourth Proportional to 112,457.76, 168,603.30 and 68,074.01

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Solution

The fourth proportional to 112,457.76, 168,603.30 and 68,074.01 is: 102,060.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,457.76 : 168,603.30 = 68,074.01 : x
  2. Step 2: Convert to fraction form
    112,457.76/168,603.30 = 68,074.01/x
  3. Step 3: Cross multiply
    112,457.76x = 168,603.30 × 68,074.01
  4. Step 4: Simplify right side
    112,457.76x = 11,477,502,730.23
  5. Step 5: Solve for x
    x = 11,477,502,730.23/112,457.76
  6. Step 6: Final answer
    x = 102,060.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.