Home / 53,681.01-74,081.93-31,019.25

Finding the Fourth Proportional to 53,681.01, 74,081.93 and 31,019.25

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Solution

The fourth proportional to 53,681.01, 74,081.93 and 31,019.25 is: 42,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,681.01 : 74,081.93 = 31,019.25 : x
  2. Step 2: Convert to fraction form
    53,681.01/74,081.93 = 31,019.25/x
  3. Step 3: Cross multiply
    53,681.01x = 74,081.93 × 31,019.25
  4. Step 4: Simplify right side
    53,681.01x = 2,297,965,752.06
  5. Step 5: Solve for x
    x = 2,297,965,752.06/53,681.01
  6. Step 6: Final answer
    x = 42,807.80

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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.