Home / 124,953.29-172,439.84-68,364.66

Finding the Fourth Proportional to 124,953.29, 172,439.84 and 68,364.66

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Solution

The fourth proportional to 124,953.29, 172,439.84 and 68,364.66 is: 94,345.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,953.29 : 172,439.84 = 68,364.66 : x
  2. Step 2: Convert to fraction form
    124,953.29/172,439.84 = 68,364.66/x
  3. Step 3: Cross multiply
    124,953.29x = 172,439.84 × 68,364.66
  4. Step 4: Simplify right side
    124,953.29x = 11,788,791,032.05
  5. Step 5: Solve for x
    x = 11,788,791,032.05/124,953.29
  6. Step 6: Final answer
    x = 94,345.58

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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.