Home / 79,025.60-109,054.28-45,036.11

Finding the Fourth Proportional to 79,025.60, 109,054.28 and 45,036.11

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Solution

The fourth proportional to 79,025.60, 109,054.28 and 45,036.11 is: 62,149.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,025.60 : 109,054.28 = 45,036.11 : x
  2. Step 2: Convert to fraction form
    79,025.60/109,054.28 = 45,036.11/x
  3. Step 3: Cross multiply
    79,025.60x = 109,054.28 × 45,036.11
  4. Step 4: Simplify right side
    79,025.60x = 4,911,380,935.28
  5. Step 5: Solve for x
    x = 4,911,380,935.28/79,025.60
  6. Step 6: Final answer
    x = 62,149.24

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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.