Home / 53,742.34-74,185.09-35,830.81

Finding the Fourth Proportional to 53,742.34, 74,185.09 and 35,830.81

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Solution

The fourth proportional to 53,742.34, 74,185.09 and 35,830.81 is: 49,460.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,742.34 : 74,185.09 = 35,830.81 : x
  2. Step 2: Convert to fraction form
    53,742.34/74,185.09 = 35,830.81/x
  3. Step 3: Cross multiply
    53,742.34x = 74,185.09 × 35,830.81
  4. Step 4: Simplify right side
    53,742.34x = 2,658,111,551.26
  5. Step 5: Solve for x
    x = 2,658,111,551.26/53,742.34
  6. Step 6: Final answer
    x = 49,460.29

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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.