Home / 124,901.86-172,368.21-68,317.06

Finding the Fourth Proportional to 124,901.86, 172,368.21 and 68,317.06

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Solution

The fourth proportional to 124,901.86, 172,368.21 and 68,317.06 is: 94,279.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,901.86 : 172,368.21 = 68,317.06 : x
  2. Step 2: Convert to fraction form
    124,901.86/172,368.21 = 68,317.06/x
  3. Step 3: Cross multiply
    124,901.86x = 172,368.21 × 68,317.06
  4. Step 4: Simplify right side
    124,901.86x = 11,775,689,344.66
  5. Step 5: Solve for x
    x = 11,775,689,344.66/124,901.86
  6. Step 6: Final answer
    x = 94,279.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.