Home / 73,747.13-101,779.76-41,920.80

Finding the Fourth Proportional to 73,747.13, 101,779.76 and 41,920.80

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Solution

The fourth proportional to 73,747.13, 101,779.76 and 41,920.80 is: 57,855.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,747.13 : 101,779.76 = 41,920.80 : x
  2. Step 2: Convert to fraction form
    73,747.13/101,779.76 = 41,920.80/x
  3. Step 3: Cross multiply
    73,747.13x = 101,779.76 × 41,920.80
  4. Step 4: Simplify right side
    73,747.13x = 4,266,688,753.40
  5. Step 5: Solve for x
    x = 4,266,688,753.40/73,747.13
  6. Step 6: Final answer
    x = 57,855.66

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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.