Home / 105,599.10-145,729.35-57,852.48

Finding the Fourth Proportional to 105,599.10, 145,729.35 and 57,852.48

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Solution

The fourth proportional to 105,599.10, 145,729.35 and 57,852.48 is: 79,837.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,599.10 : 145,729.35 = 57,852.48 : x
  2. Step 2: Convert to fraction form
    105,599.10/145,729.35 = 57,852.48/x
  3. Step 3: Cross multiply
    105,599.10x = 145,729.35 × 57,852.48
  4. Step 4: Simplify right side
    105,599.10x = 8,430,804,306.29
  5. Step 5: Solve for x
    x = 8,430,804,306.29/105,599.10
  6. Step 6: Final answer
    x = 79,837.84

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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.