Home / 79,712.24-109,999.62-45,697.10

Finding the Fourth Proportional to 79,712.24, 109,999.62 and 45,697.10

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Solution

The fourth proportional to 79,712.24, 109,999.62 and 45,697.10 is: 63,060.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,712.24 : 109,999.62 = 45,697.10 : x
  2. Step 2: Convert to fraction form
    79,712.24/109,999.62 = 45,697.10/x
  3. Step 3: Cross multiply
    79,712.24x = 109,999.62 × 45,697.10
  4. Step 4: Simplify right side
    79,712.24x = 5,026,663,085.10
  5. Step 5: Solve for x
    x = 5,026,663,085.10/79,712.24
  6. Step 6: Final answer
    x = 63,060.12

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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.