Home / 53,410.08-73,712.32-31,054.08

Finding the Fourth Proportional to 53,410.08, 73,712.32 and 31,054.08

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Solution

The fourth proportional to 53,410.08, 73,712.32 and 31,054.08 is: 42,858.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,410.08 : 73,712.32 = 31,054.08 : x
  2. Step 2: Convert to fraction form
    53,410.08/73,712.32 = 31,054.08/x
  3. Step 3: Cross multiply
    53,410.08x = 73,712.32 × 31,054.08
  4. Step 4: Simplify right side
    53,410.08x = 2,289,068,282.27
  5. Step 5: Solve for x
    x = 2,289,068,282.27/53,410.08
  6. Step 6: Final answer
    x = 42,858.36

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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.