Home / 102,501.48-141,461.78-64,267.08

Finding the Fourth Proportional to 102,501.48, 141,461.78 and 64,267.08

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Solution

The fourth proportional to 102,501.48, 141,461.78 and 64,267.08 is: 88,694.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,501.48 : 141,461.78 = 64,267.08 : x
  2. Step 2: Convert to fraction form
    102,501.48/141,461.78 = 64,267.08/x
  3. Step 3: Cross multiply
    102,501.48x = 141,461.78 × 64,267.08
  4. Step 4: Simplify right side
    102,501.48x = 9,091,335,532.20
  5. Step 5: Solve for x
    x = 9,091,335,532.20/102,501.48
  6. Step 6: Final answer
    x = 88,694.68

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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.