Home / 79,320.56-109,461.34-45,328.66

Finding the Fourth Proportional to 79,320.56, 109,461.34 and 45,328.66

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Solution

The fourth proportional to 79,320.56, 109,461.34 and 45,328.66 is: 62,552.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,320.56 : 109,461.34 = 45,328.66 : x
  2. Step 2: Convert to fraction form
    79,320.56/109,461.34 = 45,328.66/x
  3. Step 3: Cross multiply
    79,320.56x = 109,461.34 × 45,328.66
  4. Step 4: Simplify right side
    79,320.56x = 4,961,735,864.00
  5. Step 5: Solve for x
    x = 4,961,735,864.00/79,320.56
  6. Step 6: Final answer
    x = 62,552.96

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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.