Home / 53,830.24-74,289.77-31,175.35

Finding the Fourth Proportional to 53,830.24, 74,289.77 and 31,175.35

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Solution

The fourth proportional to 53,830.24, 74,289.77 and 31,175.35 is: 43,024.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,830.24 : 74,289.77 = 31,175.35 : x
  2. Step 2: Convert to fraction form
    53,830.24/74,289.77 = 31,175.35/x
  3. Step 3: Cross multiply
    53,830.24x = 74,289.77 × 31,175.35
  4. Step 4: Simplify right side
    53,830.24x = 2,316,009,581.17
  5. Step 5: Solve for x
    x = 2,316,009,581.17/53,830.24
  6. Step 6: Final answer
    x = 43,024.32

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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.