Home / 102,541.20-153,691.20-46,315.68

Finding the Fourth Proportional to 102,541.20, 153,691.20 and 46,315.68

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Solution

The fourth proportional to 102,541.20, 153,691.20 and 46,315.68 is: 69,419.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,541.20 : 153,691.20 = 46,315.68 : x
  2. Step 2: Convert to fraction form
    102,541.20/153,691.20 = 46,315.68/x
  3. Step 3: Cross multiply
    102,541.20x = 153,691.20 × 46,315.68
  4. Step 4: Simplify right side
    102,541.20x = 7,118,312,438.02
  5. Step 5: Solve for x
    x = 7,118,312,438.02/102,541.20
  6. Step 6: Final answer
    x = 69,419.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.