Home / 55,653.09-76,801.50-30,159.51

Finding the Fourth Proportional to 55,653.09, 76,801.50 and 30,159.51

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Solution

The fourth proportional to 55,653.09, 76,801.50 and 30,159.51 is: 41,620.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,653.09 : 76,801.50 = 30,159.51 : x
  2. Step 2: Convert to fraction form
    55,653.09/76,801.50 = 30,159.51/x
  3. Step 3: Cross multiply
    55,653.09x = 76,801.50 × 30,159.51
  4. Step 4: Simplify right side
    55,653.09x = 2,316,295,607.27
  5. Step 5: Solve for x
    x = 2,316,295,607.27/55,653.09
  6. Step 6: Final answer
    x = 41,620.25

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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.