Home / 102,446.06-141,384.03-57,117.92

Finding the Fourth Proportional to 102,446.06, 141,384.03 and 57,117.92

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Solution

The fourth proportional to 102,446.06, 141,384.03 and 57,117.92 is: 78,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,446.06 : 141,384.03 = 57,117.92 : x
  2. Step 2: Convert to fraction form
    102,446.06/141,384.03 = 57,117.92/x
  3. Step 3: Cross multiply
    102,446.06x = 141,384.03 × 57,117.92
  4. Step 4: Simplify right side
    102,446.06x = 8,075,561,714.82
  5. Step 5: Solve for x
    x = 8,075,561,714.82/102,446.06
  6. Step 6: Final answer
    x = 78,827.45

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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.