Home / 61,650.03-85,077.08-42,798.09

Finding the Fourth Proportional to 61,650.03, 85,077.08 and 42,798.09

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Solution

The fourth proportional to 61,650.03, 85,077.08 and 42,798.09 is: 59,061.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,650.03 : 85,077.08 = 42,798.09 : x
  2. Step 2: Convert to fraction form
    61,650.03/85,077.08 = 42,798.09/x
  3. Step 3: Cross multiply
    61,650.03x = 85,077.08 × 42,798.09
  4. Step 4: Simplify right side
    61,650.03x = 3,641,136,312.79
  5. Step 5: Solve for x
    x = 3,641,136,312.79/61,650.03
  6. Step 6: Final answer
    x = 59,061.39

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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.