Home / 70,011.06-96,622.75-42,803.11

Finding the Fourth Proportional to 70,011.06, 96,622.75 and 42,803.11

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Solution

The fourth proportional to 70,011.06, 96,622.75 and 42,803.11 is: 59,072.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,011.06 : 96,622.75 = 42,803.11 : x
  2. Step 2: Convert to fraction form
    70,011.06/96,622.75 = 42,803.11/x
  3. Step 3: Cross multiply
    70,011.06x = 96,622.75 × 42,803.11
  4. Step 4: Simplify right side
    70,011.06x = 4,135,754,249.76
  5. Step 5: Solve for x
    x = 4,135,754,249.76/70,011.06
  6. Step 6: Final answer
    x = 59,072.87

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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.