Home / 53,735.28-74,159.40-29,866.80

Finding the Fourth Proportional to 53,735.28, 74,159.40 and 29,866.80

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Solution

The fourth proportional to 53,735.28, 74,159.40 and 29,866.80 is: 41,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,735.28 : 74,159.40 = 29,866.80 : x
  2. Step 2: Convert to fraction form
    53,735.28/74,159.40 = 29,866.80/x
  3. Step 3: Cross multiply
    53,735.28x = 74,159.40 × 29,866.80
  4. Step 4: Simplify right side
    53,735.28x = 2,214,903,967.92
  5. Step 5: Solve for x
    x = 2,214,903,967.92/53,735.28
  6. Step 6: Final answer
    x = 41,218.80

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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.