Home / 53,657.10-80,459.73-31,477.68

Finding the Fourth Proportional to 53,657.10, 80,459.73 and 31,477.68

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Solution

The fourth proportional to 53,657.10, 80,459.73 and 31,477.68 is: 47,201.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,657.10 : 80,459.73 = 31,477.68 : x
  2. Step 2: Convert to fraction form
    53,657.10/80,459.73 = 31,477.68/x
  3. Step 3: Cross multiply
    53,657.10x = 80,459.73 × 31,477.68
  4. Step 4: Simplify right side
    53,657.10x = 2,532,685,633.83
  5. Step 5: Solve for x
    x = 2,532,685,633.83/53,657.10
  6. Step 6: Final answer
    x = 47,201.31

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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.