Home / 53,752.61-74,167.80-31,083.35

Finding the Fourth Proportional to 53,752.61, 74,167.80 and 31,083.35

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Solution

The fourth proportional to 53,752.61, 74,167.80 and 31,083.35 is: 42,888.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,752.61 : 74,167.80 = 31,083.35 : x
  2. Step 2: Convert to fraction form
    53,752.61/74,167.80 = 31,083.35/x
  3. Step 3: Cross multiply
    53,752.61x = 74,167.80 × 31,083.35
  4. Step 4: Simplify right side
    53,752.61x = 2,305,383,373.57
  5. Step 5: Solve for x
    x = 2,305,383,373.57/53,752.61
  6. Step 6: Final answer
    x = 42,888.77

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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.