Home / 79,320.06-109,460.65-45,328.16

Finding the Fourth Proportional to 79,320.06, 109,460.65 and 45,328.16

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Solution

The fourth proportional to 79,320.06, 109,460.65 and 45,328.16 is: 62,552.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,320.06 : 109,460.65 = 45,328.16 : x
  2. Step 2: Convert to fraction form
    79,320.06/109,460.65 = 45,328.16/x
  3. Step 3: Cross multiply
    79,320.06x = 109,460.65 × 45,328.16
  4. Step 4: Simplify right side
    79,320.06x = 4,961,649,856.90
  5. Step 5: Solve for x
    x = 4,961,649,856.90/79,320.06
  6. Step 6: Final answer
    x = 62,552.27

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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.