Home / 55,088.92-76,023.30-29,938.42

Finding the Fourth Proportional to 55,088.92, 76,023.30 and 29,938.42

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Solution

The fourth proportional to 55,088.92, 76,023.30 and 29,938.42 is: 41,315.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,088.92 : 76,023.30 = 29,938.42 : x
  2. Step 2: Convert to fraction form
    55,088.92/76,023.30 = 29,938.42/x
  3. Step 3: Cross multiply
    55,088.92x = 76,023.30 × 29,938.42
  4. Step 4: Simplify right side
    55,088.92x = 2,276,017,485.19
  5. Step 5: Solve for x
    x = 2,276,017,485.19/55,088.92
  6. Step 6: Final answer
    x = 41,315.34

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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.