Home / 65,430.30-98,159.40-37,363.80

Finding the Fourth Proportional to 65,430.30, 98,159.40 and 37,363.80

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Solution

The fourth proportional to 65,430.30, 98,159.40 and 37,363.80 is: 56,053.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,430.30 : 98,159.40 = 37,363.80 : x
  2. Step 2: Convert to fraction form
    65,430.30/98,159.40 = 37,363.80/x
  3. Step 3: Cross multiply
    65,430.30x = 98,159.40 × 37,363.80
  4. Step 4: Simplify right side
    65,430.30x = 3,667,608,189.72
  5. Step 5: Solve for x
    x = 3,667,608,189.72/65,430.30
  6. Step 6: Final answer
    x = 56,053.67

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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.