Home / 53,675.94-74,021.76-39,126.90

Finding the Fourth Proportional to 53,675.94, 74,021.76 and 39,126.90

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Solution

The fourth proportional to 53,675.94, 74,021.76 and 39,126.90 is: 53,957.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,675.94 : 74,021.76 = 39,126.90 : x
  2. Step 2: Convert to fraction form
    53,675.94/74,021.76 = 39,126.90/x
  3. Step 3: Cross multiply
    53,675.94x = 74,021.76 × 39,126.90
  4. Step 4: Simplify right side
    53,675.94x = 2,896,242,001.34
  5. Step 5: Solve for x
    x = 2,896,242,001.34/53,675.94
  6. Step 6: Final answer
    x = 53,957.92

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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.