Home / 115,117.19-172,703.43-44,038.66

Finding the Fourth Proportional to 115,117.19, 172,703.43 and 44,038.66

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Solution

The fourth proportional to 115,117.19, 172,703.43 and 44,038.66 is: 66,068.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,117.19 : 172,703.43 = 44,038.66 : x
  2. Step 2: Convert to fraction form
    115,117.19/172,703.43 = 44,038.66/x
  3. Step 3: Cross multiply
    115,117.19x = 172,703.43 × 44,038.66
  4. Step 4: Simplify right side
    115,117.19x = 7,605,628,013.47
  5. Step 5: Solve for x
    x = 7,605,628,013.47/115,117.19
  6. Step 6: Final answer
    x = 66,068.57

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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.