Home / 73,613.32-101,677.86-72,507.40

Finding the Fourth Proportional to 73,613.32, 101,677.86 and 72,507.40

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Solution

The fourth proportional to 73,613.32, 101,677.86 and 72,507.40 is: 100,150.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,613.32 : 101,677.86 = 72,507.40 : x
  2. Step 2: Convert to fraction form
    73,613.32/101,677.86 = 72,507.40/x
  3. Step 3: Cross multiply
    73,613.32x = 101,677.86 × 72,507.40
  4. Step 4: Simplify right side
    73,613.32x = 7,372,397,266.16
  5. Step 5: Solve for x
    x = 7,372,397,266.16/73,613.32
  6. Step 6: Final answer
    x = 100,150.32

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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.