Home / 75,008.20-112,541.10-73,827.40

Finding the Fourth Proportional to 75,008.20, 112,541.10 and 73,827.40

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Solution

The fourth proportional to 75,008.20, 112,541.10 and 73,827.40 is: 110,769.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,008.20 : 112,541.10 = 73,827.40 : x
  2. Step 2: Convert to fraction form
    75,008.20/112,541.10 = 73,827.40/x
  3. Step 3: Cross multiply
    75,008.20x = 112,541.10 × 73,827.40
  4. Step 4: Simplify right side
    75,008.20x = 8,308,616,806.14
  5. Step 5: Solve for x
    x = 8,308,616,806.14/75,008.20
  6. Step 6: Final answer
    x = 110,769.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.