Home / 112,037.86-167,881.68-70,397.38

Finding the Fourth Proportional to 112,037.86, 167,881.68 and 70,397.38

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Solution

The fourth proportional to 112,037.86, 167,881.68 and 70,397.38 is: 105,486.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,037.86 : 167,881.68 = 70,397.38 : x
  2. Step 2: Convert to fraction form
    112,037.86/167,881.68 = 70,397.38/x
  3. Step 3: Cross multiply
    112,037.86x = 167,881.68 × 70,397.38
  4. Step 4: Simplify right side
    112,037.86x = 11,818,430,422.00
  5. Step 5: Solve for x
    x = 11,818,430,422.00/112,037.86
  6. Step 6: Final answer
    x = 105,486.04

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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.