Home / 70,982.16-98,042.58-53,156.76

Finding the Fourth Proportional to 70,982.16, 98,042.58 and 53,156.76

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Solution

The fourth proportional to 70,982.16, 98,042.58 and 53,156.76 is: 73,421.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,982.16 : 98,042.58 = 53,156.76 : x
  2. Step 2: Convert to fraction form
    70,982.16/98,042.58 = 53,156.76/x
  3. Step 3: Cross multiply
    70,982.16x = 98,042.58 × 53,156.76
  4. Step 4: Simplify right side
    70,982.16x = 5,211,625,894.84
  5. Step 5: Solve for x
    x = 5,211,625,894.84/70,982.16
  6. Step 6: Final answer
    x = 73,421.63

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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.