Home / 75,038.40-112,563.56-25,118.76

Finding the Fourth Proportional to 75,038.40, 112,563.56 and 25,118.76

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Solution

The fourth proportional to 75,038.40, 112,563.56 and 25,118.76 is: 37,680.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,038.40 : 112,563.56 = 25,118.76 : x
  2. Step 2: Convert to fraction form
    75,038.40/112,563.56 = 25,118.76/x
  3. Step 3: Cross multiply
    75,038.40x = 112,563.56 × 25,118.76
  4. Step 4: Simplify right side
    75,038.40x = 2,827,457,048.39
  5. Step 5: Solve for x
    x = 2,827,457,048.39/75,038.40
  6. Step 6: Final answer
    x = 37,680.14

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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.