Home / 79,528.41-109,750.68-43,718.40

Finding the Fourth Proportional to 79,528.41, 109,750.68 and 43,718.40

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Solution

The fourth proportional to 79,528.41, 109,750.68 and 43,718.40 is: 60,332.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,528.41 : 109,750.68 = 43,718.40 : x
  2. Step 2: Convert to fraction form
    79,528.41/109,750.68 = 43,718.40/x
  3. Step 3: Cross multiply
    79,528.41x = 109,750.68 × 43,718.40
  4. Step 4: Simplify right side
    79,528.41x = 4,798,124,128.51
  5. Step 5: Solve for x
    x = 4,798,124,128.51/79,528.41
  6. Step 6: Final answer
    x = 60,332.20

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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.