Home / 85,515.48-118,051.02-49,692.42

Finding the Fourth Proportional to 85,515.48, 118,051.02 and 49,692.42

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Solution

The fourth proportional to 85,515.48, 118,051.02 and 49,692.42 is: 68,598.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,515.48 : 118,051.02 = 49,692.42 : x
  2. Step 2: Convert to fraction form
    85,515.48/118,051.02 = 49,692.42/x
  3. Step 3: Cross multiply
    85,515.48x = 118,051.02 × 49,692.42
  4. Step 4: Simplify right side
    85,515.48x = 5,866,240,867.27
  5. Step 5: Solve for x
    x = 5,866,240,867.27/85,515.48
  6. Step 6: Final answer
    x = 68,598.58

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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.