Home / 65,870.07-90,953.09-60,832.45

Finding the Fourth Proportional to 65,870.07, 90,953.09 and 60,832.45

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Solution

The fourth proportional to 65,870.07, 90,953.09 and 60,832.45 is: 83,997.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,870.07 : 90,953.09 = 60,832.45 : x
  2. Step 2: Convert to fraction form
    65,870.07/90,953.09 = 60,832.45/x
  3. Step 3: Cross multiply
    65,870.07x = 90,953.09 × 60,832.45
  4. Step 4: Simplify right side
    65,870.07x = 5,532,899,299.77
  5. Step 5: Solve for x
    x = 5,532,899,299.77/65,870.07
  6. Step 6: Final answer
    x = 83,997.17

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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.