Home / 67,450.96-93,085.34-38,779.92

Finding the Fourth Proportional to 67,450.96, 93,085.34 and 38,779.92

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Solution

The fourth proportional to 67,450.96, 93,085.34 and 38,779.92 is: 53,518.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,450.96 : 93,085.34 = 38,779.92 : x
  2. Step 2: Convert to fraction form
    67,450.96/93,085.34 = 38,779.92/x
  3. Step 3: Cross multiply
    67,450.96x = 93,085.34 × 38,779.92
  4. Step 4: Simplify right side
    67,450.96x = 3,609,841,844.47
  5. Step 5: Solve for x
    x = 3,609,841,844.47/67,450.96
  6. Step 6: Final answer
    x = 53,518.02

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1.5x scale

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.