Home / 67,817.40-93,623.28-52,676.16

Finding the Fourth Proportional to 67,817.40, 93,623.28 and 52,676.16

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Solution

The fourth proportional to 67,817.40, 93,623.28 and 52,676.16 is: 72,720.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,817.40 : 93,623.28 = 52,676.16 : x
  2. Step 2: Convert to fraction form
    67,817.40/93,623.28 = 52,676.16/x
  3. Step 3: Cross multiply
    67,817.40x = 93,623.28 × 52,676.16
  4. Step 4: Simplify right side
    67,817.40x = 4,931,714,877.00
  5. Step 5: Solve for x
    x = 4,931,714,877.00/67,817.40
  6. Step 6: Final answer
    x = 72,720.49

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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.