Home / 53,865.90-74,326.23-31,206.96

Finding the Fourth Proportional to 53,865.90, 74,326.23 and 31,206.96

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Solution

The fourth proportional to 53,865.90, 74,326.23 and 31,206.96 is: 43,060.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,865.90 : 74,326.23 = 31,206.96 : x
  2. Step 2: Convert to fraction form
    53,865.90/74,326.23 = 31,206.96/x
  3. Step 3: Cross multiply
    53,865.90x = 74,326.23 × 31,206.96
  4. Step 4: Simplify right side
    53,865.90x = 2,319,495,686.56
  5. Step 5: Solve for x
    x = 2,319,495,686.56/53,865.90
  6. Step 6: Final answer
    x = 43,060.56

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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.