Home / 102,586.57-141,569.84-57,263.74

Finding the Fourth Proportional to 102,586.57, 141,569.84 and 57,263.74

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Solution

The fourth proportional to 102,586.57, 141,569.84 and 57,263.74 is: 79,024.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,586.57 : 141,569.84 = 57,263.74 : x
  2. Step 2: Convert to fraction form
    102,586.57/141,569.84 = 57,263.74/x
  3. Step 3: Cross multiply
    102,586.57x = 141,569.84 × 57,263.74
  4. Step 4: Simplify right side
    102,586.57x = 8,106,818,298.84
  5. Step 5: Solve for x
    x = 8,106,818,298.84/102,586.57
  6. Step 6: Final answer
    x = 79,024.17

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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.