Home / 53,695.85-74,108.35-38,638.35

Finding the Fourth Proportional to 53,695.85, 74,108.35 and 38,638.35

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Solution

The fourth proportional to 53,695.85, 74,108.35 and 38,638.35 is: 53,326.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,695.85 : 74,108.35 = 38,638.35 : x
  2. Step 2: Convert to fraction form
    53,695.85/74,108.35 = 38,638.35/x
  3. Step 3: Cross multiply
    53,695.85x = 74,108.35 × 38,638.35
  4. Step 4: Simplify right side
    53,695.85x = 2,863,424,413.52
  5. Step 5: Solve for x
    x = 2,863,424,413.52/53,695.85
  6. Step 6: Final answer
    x = 53,326.74

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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.