Home / 105,573.02-145,690.95-57,826.46

Finding the Fourth Proportional to 105,573.02, 145,690.95 and 57,826.46

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Solution

The fourth proportional to 105,573.02, 145,690.95 and 57,826.46 is: 79,800.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,573.02 : 145,690.95 = 57,826.46 : x
  2. Step 2: Convert to fraction form
    105,573.02/145,690.95 = 57,826.46/x
  3. Step 3: Cross multiply
    105,573.02x = 145,690.95 × 57,826.46
  4. Step 4: Simplify right side
    105,573.02x = 8,424,791,892.54
  5. Step 5: Solve for x
    x = 8,424,791,892.54/105,573.02
  6. Step 6: Final answer
    x = 79,800.61

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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.