Home / 53,716.90-74,121.08-31,051.53

Finding the Fourth Proportional to 53,716.90, 74,121.08 and 31,051.53

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Solution

The fourth proportional to 53,716.90, 74,121.08 and 31,051.53 is: 42,846.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,716.90 : 74,121.08 = 31,051.53 : x
  2. Step 2: Convert to fraction form
    53,716.90/74,121.08 = 31,051.53/x
  3. Step 3: Cross multiply
    53,716.90x = 74,121.08 × 31,051.53
  4. Step 4: Simplify right side
    53,716.90x = 2,301,572,575.53
  5. Step 5: Solve for x
    x = 2,301,572,575.53/53,716.90
  6. Step 6: Final answer
    x = 42,846.34

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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.