Home / 53,780.77-74,211.78-29,903.59

Finding the Fourth Proportional to 53,780.77, 74,211.78 and 29,903.59

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Solution

The fourth proportional to 53,780.77, 74,211.78 and 29,903.59 is: 41,263.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,780.77 : 74,211.78 = 29,903.59 : x
  2. Step 2: Convert to fraction form
    53,780.77/74,211.78 = 29,903.59/x
  3. Step 3: Cross multiply
    53,780.77x = 74,211.78 × 29,903.59
  4. Step 4: Simplify right side
    53,780.77x = 2,219,198,642.29
  5. Step 5: Solve for x
    x = 2,219,198,642.29/53,780.77
  6. Step 6: Final answer
    x = 41,263.79

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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.