Home / 124,716.08-172,111.56-74,444.24

Finding the Fourth Proportional to 124,716.08, 172,111.56 and 74,444.24

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Solution

The fourth proportional to 124,716.08, 172,111.56 and 74,444.24 is: 102,735.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,716.08 : 172,111.56 = 74,444.24 : x
  2. Step 2: Convert to fraction form
    124,716.08/172,111.56 = 74,444.24/x
  3. Step 3: Cross multiply
    124,716.08x = 172,111.56 × 74,444.24
  4. Step 4: Simplify right side
    124,716.08x = 12,812,714,279.41
  5. Step 5: Solve for x
    x = 12,812,714,279.41/124,716.08
  6. Step 6: Final answer
    x = 102,735.06

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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.