Home / 53,776.77-80,664.98-13,795.71

Finding the Fourth Proportional to 53,776.77, 80,664.98 and 13,795.71

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Solution

The fourth proportional to 53,776.77, 80,664.98 and 13,795.71 is: 20,693.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,776.77 : 80,664.98 = 13,795.71 : x
  2. Step 2: Convert to fraction form
    53,776.77/80,664.98 = 13,795.71/x
  3. Step 3: Cross multiply
    53,776.77x = 80,664.98 × 13,795.71
  4. Step 4: Simplify right side
    53,776.77x = 1,112,830,602.26
  5. Step 5: Solve for x
    x = 1,112,830,602.26/53,776.77
  6. Step 6: Final answer
    x = 20,693.52

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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.