Home / 102,221.00-141,064.98-56,898.01

Finding the Fourth Proportional to 102,221.00, 141,064.98 and 56,898.01

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Solution

The fourth proportional to 102,221.00, 141,064.98 and 56,898.01 is: 78,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,221.00 : 141,064.98 = 56,898.01 : x
  2. Step 2: Convert to fraction form
    102,221.00/141,064.98 = 56,898.01/x
  3. Step 3: Cross multiply
    102,221.00x = 141,064.98 × 56,898.01
  4. Step 4: Simplify right side
    102,221.00x = 8,026,316,605.65
  5. Step 5: Solve for x
    x = 8,026,316,605.65/102,221.00
  6. Step 6: Final answer
    x = 78,519.25

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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.