Home / 104,646.10-156,969.15-38,088.40

Finding the Fourth Proportional to 104,646.10, 156,969.15 and 38,088.40

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Solution

The fourth proportional to 104,646.10, 156,969.15 and 38,088.40 is: 57,132.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,646.10 : 156,969.15 = 38,088.40 : x
  2. Step 2: Convert to fraction form
    104,646.10/156,969.15 = 38,088.40/x
  3. Step 3: Cross multiply
    104,646.10x = 156,969.15 × 38,088.40
  4. Step 4: Simplify right side
    104,646.10x = 5,978,703,772.86
  5. Step 5: Solve for x
    x = 5,978,703,772.86/104,646.10
  6. Step 6: Final answer
    x = 57,132.60

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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.