Home / 124,698.76-172,085.18-68,110.12

Finding the Fourth Proportional to 124,698.76, 172,085.18 and 68,110.12

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Solution

The fourth proportional to 124,698.76, 172,085.18 and 68,110.12 is: 93,992.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,698.76 : 172,085.18 = 68,110.12 : x
  2. Step 2: Convert to fraction form
    124,698.76/172,085.18 = 68,110.12/x
  3. Step 3: Cross multiply
    124,698.76x = 172,085.18 × 68,110.12
  4. Step 4: Simplify right side
    124,698.76x = 11,720,742,260.02
  5. Step 5: Solve for x
    x = 11,720,742,260.02/124,698.76
  6. Step 6: Final answer
    x = 93,992.45

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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.