Home / 53,430.20-80,145.30-44,973.80

Finding the Fourth Proportional to 53,430.20, 80,145.30 and 44,973.80

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Solution

The fourth proportional to 53,430.20, 80,145.30 and 44,973.80 is: 67,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,430.20 : 80,145.30 = 44,973.80 : x
  2. Step 2: Convert to fraction form
    53,430.20/80,145.30 = 44,973.80/x
  3. Step 3: Cross multiply
    53,430.20x = 80,145.30 × 44,973.80
  4. Step 4: Simplify right side
    53,430.20x = 3,604,438,693.14
  5. Step 5: Solve for x
    x = 3,604,438,693.14/53,430.20
  6. Step 6: Final answer
    x = 67,460.70

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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.