Home / 105,205.12-157,811.04-35,091.52

Finding the Fourth Proportional to 105,205.12, 157,811.04 and 35,091.52

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Solution

The fourth proportional to 105,205.12, 157,811.04 and 35,091.52 is: 52,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,205.12 : 157,811.04 = 35,091.52 : x
  2. Step 2: Convert to fraction form
    105,205.12/157,811.04 = 35,091.52/x
  3. Step 3: Cross multiply
    105,205.12x = 157,811.04 × 35,091.52
  4. Step 4: Simplify right side
    105,205.12x = 5,537,829,266.38
  5. Step 5: Solve for x
    x = 5,537,829,266.38/105,205.12
  6. Step 6: Final answer
    x = 52,638.40

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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.