Home / 53,775.40-74,207.90-29,900.34

Finding the Fourth Proportional to 53,775.40, 74,207.90 and 29,900.34

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Solution

The fourth proportional to 53,775.40, 74,207.90 and 29,900.34 is: 41,261.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,775.40 : 74,207.90 = 29,900.34 : x
  2. Step 2: Convert to fraction form
    53,775.40/74,207.90 = 29,900.34/x
  3. Step 3: Cross multiply
    53,775.40x = 74,207.90 × 29,900.34
  4. Step 4: Simplify right side
    53,775.40x = 2,218,841,440.69
  5. Step 5: Solve for x
    x = 2,218,841,440.69/53,775.40
  6. Step 6: Final answer
    x = 41,261.27

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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.