Home / 85,897.13-118,538.10-48,171.38

Finding the Fourth Proportional to 85,897.13, 118,538.10 and 48,171.38

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Solution

The fourth proportional to 85,897.13, 118,538.10 and 48,171.38 is: 66,476.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,897.13 : 118,538.10 = 48,171.38 : x
  2. Step 2: Convert to fraction form
    85,897.13/118,538.10 = 48,171.38/x
  3. Step 3: Cross multiply
    85,897.13x = 118,538.10 × 48,171.38
  4. Step 4: Simplify right side
    85,897.13x = 5,710,143,266.89
  5. Step 5: Solve for x
    x = 5,710,143,266.89/85,897.13
  6. Step 6: Final answer
    x = 66,476.54

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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.