Home / 61,852.05-92,784.69-19,722.20

Finding the Fourth Proportional to 61,852.05, 92,784.69 and 19,722.20

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Solution

The fourth proportional to 61,852.05, 92,784.69 and 19,722.20 is: 29,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,852.05 : 92,784.69 = 19,722.20 : x
  2. Step 2: Convert to fraction form
    61,852.05/92,784.69 = 19,722.20/x
  3. Step 3: Cross multiply
    61,852.05x = 92,784.69 × 19,722.20
  4. Step 4: Simplify right side
    61,852.05x = 1,829,917,749.19
  5. Step 5: Solve for x
    x = 1,829,917,749.19/61,852.05
  6. Step 6: Final answer
    x = 29,585.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.