Home / 115,779.40-173,688.30-49,251.40

Finding the Fourth Proportional to 115,779.40, 173,688.30 and 49,251.40

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Solution

The fourth proportional to 115,779.40, 173,688.30 and 49,251.40 is: 73,885.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,779.40 : 173,688.30 = 49,251.40 : x
  2. Step 2: Convert to fraction form
    115,779.40/173,688.30 = 49,251.40/x
  3. Step 3: Cross multiply
    115,779.40x = 173,688.30 × 49,251.40
  4. Step 4: Simplify right side
    115,779.40x = 8,554,391,938.62
  5. Step 5: Solve for x
    x = 8,554,391,938.62/115,779.40
  6. Step 6: Final answer
    x = 73,885.27

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1.5x scale

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.