Home / 72,966.22-100,655.07-59,369.47

Finding the Fourth Proportional to 72,966.22, 100,655.07 and 59,369.47

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Solution

The fourth proportional to 72,966.22, 100,655.07 and 59,369.47 is: 81,898.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,966.22 : 100,655.07 = 59,369.47 : x
  2. Step 2: Convert to fraction form
    72,966.22/100,655.07 = 59,369.47/x
  3. Step 3: Cross multiply
    72,966.22x = 100,655.07 × 59,369.47
  4. Step 4: Simplify right side
    72,966.22x = 5,975,837,655.44
  5. Step 5: Solve for x
    x = 5,975,837,655.44/72,966.22
  6. Step 6: Final answer
    x = 81,898.69

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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.