Home / 79,712.40-110,002.14-45,263.50

Finding the Fourth Proportional to 79,712.40, 110,002.14 and 45,263.50

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Solution

The fourth proportional to 79,712.40, 110,002.14 and 45,263.50 is: 62,463.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,712.40 : 110,002.14 = 45,263.50 : x
  2. Step 2: Convert to fraction form
    79,712.40/110,002.14 = 45,263.50/x
  3. Step 3: Cross multiply
    79,712.40x = 110,002.14 × 45,263.50
  4. Step 4: Simplify right side
    79,712.40x = 4,979,081,863.89
  5. Step 5: Solve for x
    x = 4,979,081,863.89/79,712.40
  6. Step 6: Final answer
    x = 62,463.08

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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.