Home / 61,650.53-85,077.77-42,798.59

Finding the Fourth Proportional to 61,650.53, 85,077.77 and 42,798.59

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Solution

The fourth proportional to 61,650.53, 85,077.77 and 42,798.59 is: 59,062.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,650.53 : 85,077.77 = 42,798.59 : x
  2. Step 2: Convert to fraction form
    61,650.53/85,077.77 = 42,798.59/x
  3. Step 3: Cross multiply
    61,650.53x = 85,077.77 × 42,798.59
  4. Step 4: Simplify right side
    61,650.53x = 3,641,208,382.35
  5. Step 5: Solve for x
    x = 3,641,208,382.35/61,650.53
  6. Step 6: Final answer
    x = 59,062.08

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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.