Home / 110,885.18-153,021.60-59,897.90

Finding the Fourth Proportional to 110,885.18, 153,021.60 and 59,897.90

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Solution

The fourth proportional to 110,885.18, 153,021.60 and 59,897.90 is: 82,659.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,885.18 : 153,021.60 = 59,897.90 : x
  2. Step 2: Convert to fraction form
    110,885.18/153,021.60 = 59,897.90/x
  3. Step 3: Cross multiply
    110,885.18x = 153,021.60 × 59,897.90
  4. Step 4: Simplify right side
    110,885.18x = 9,165,671,729.53
  5. Step 5: Solve for x
    x = 9,165,671,729.53/110,885.18
  6. Step 6: Final answer
    x = 82,659.13

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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.