Home / 108,934.04-163,411.08-42,379.16

Finding the Fourth Proportional to 108,934.04, 163,411.08 and 42,379.16

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Solution

The fourth proportional to 108,934.04, 163,411.08 and 42,379.16 is: 63,572.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,934.04 : 163,411.08 = 42,379.16 : x
  2. Step 2: Convert to fraction form
    108,934.04/163,411.08 = 42,379.16/x
  3. Step 3: Cross multiply
    108,934.04x = 163,411.08 × 42,379.16
  4. Step 4: Simplify right side
    108,934.04x = 6,925,224,305.09
  5. Step 5: Solve for x
    x = 6,925,224,305.09/108,934.04
  6. Step 6: Final answer
    x = 63,572.64

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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.