Home / 115,543.04-173,378.64-56,379.20

Finding the Fourth Proportional to 115,543.04, 173,378.64 and 56,379.20

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Solution

The fourth proportional to 115,543.04, 173,378.64 and 56,379.20 is: 84,600.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,543.04 : 173,378.64 = 56,379.20 : x
  2. Step 2: Convert to fraction form
    115,543.04/173,378.64 = 56,379.20/x
  3. Step 3: Cross multiply
    115,543.04x = 173,378.64 × 56,379.20
  4. Step 4: Simplify right side
    115,543.04x = 9,774,949,020.29
  5. Step 5: Solve for x
    x = 9,774,949,020.29/115,543.04
  6. Step 6: Final answer
    x = 84,600.07

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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.