Home / 106,541.30-147,030.53-58,145.88

Finding the Fourth Proportional to 106,541.30, 147,030.53 and 58,145.88

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Solution

The fourth proportional to 106,541.30, 147,030.53 and 58,145.88 is: 80,243.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,541.30 : 147,030.53 = 58,145.88 : x
  2. Step 2: Convert to fraction form
    106,541.30/147,030.53 = 58,145.88/x
  3. Step 3: Cross multiply
    106,541.30x = 147,030.53 × 58,145.88
  4. Step 4: Simplify right side
    106,541.30x = 8,549,219,590.06
  5. Step 5: Solve for x
    x = 8,549,219,590.06/106,541.30
  6. Step 6: Final answer
    x = 80,243.24

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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.