Home / 56,209.98-77,569.79-31,059.48

Finding the Fourth Proportional to 56,209.98, 77,569.79 and 31,059.48

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Solution

The fourth proportional to 56,209.98, 77,569.79 and 31,059.48 is: 42,862.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,209.98 : 77,569.79 = 31,059.48 : x
  2. Step 2: Convert to fraction form
    56,209.98/77,569.79 = 31,059.48/x
  3. Step 3: Cross multiply
    56,209.98x = 77,569.79 × 31,059.48
  4. Step 4: Simplify right side
    56,209.98x = 2,409,277,185.81
  5. Step 5: Solve for x
    x = 2,409,277,185.81/56,209.98
  6. Step 6: Final answer
    x = 42,862.09

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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.