Home / 115,440.56-173,178.15-40,547.51

Finding the Fourth Proportional to 115,440.56, 173,178.15 and 40,547.51

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Solution

The fourth proportional to 115,440.56, 173,178.15 and 40,547.51 is: 60,827.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,440.56 : 173,178.15 = 40,547.51 : x
  2. Step 2: Convert to fraction form
    115,440.56/173,178.15 = 40,547.51/x
  3. Step 3: Cross multiply
    115,440.56x = 173,178.15 × 40,547.51
  4. Step 4: Simplify right side
    115,440.56x = 7,021,941,903.02
  5. Step 5: Solve for x
    x = 7,021,941,903.02/115,440.56
  6. Step 6: Final answer
    x = 60,827.34

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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.