Home / 70,776.08-97,659.83-40,555.59

Finding the Fourth Proportional to 70,776.08, 97,659.83 and 40,555.59

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Solution

The fourth proportional to 70,776.08, 97,659.83 and 40,555.59 is: 55,960.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,776.08 : 97,659.83 = 40,555.59 : x
  2. Step 2: Convert to fraction form
    70,776.08/97,659.83 = 40,555.59/x
  3. Step 3: Cross multiply
    70,776.08x = 97,659.83 × 40,555.59
  4. Step 4: Simplify right side
    70,776.08x = 3,960,651,822.17
  5. Step 5: Solve for x
    x = 3,960,651,822.17/70,776.08
  6. Step 6: Final answer
    x = 55,960.32

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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.