Home / 72,632.34-100,214.96-42,400.44

Finding the Fourth Proportional to 72,632.34, 100,214.96 and 42,400.44

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Solution

The fourth proportional to 72,632.34, 100,214.96 and 42,400.44 is: 58,502.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,632.34 : 100,214.96 = 42,400.44 : x
  2. Step 2: Convert to fraction form
    72,632.34/100,214.96 = 42,400.44/x
  3. Step 3: Cross multiply
    72,632.34x = 100,214.96 × 42,400.44
  4. Step 4: Simplify right side
    72,632.34x = 4,249,158,186.58
  5. Step 5: Solve for x
    x = 4,249,158,186.58/72,632.34
  6. Step 6: Final answer
    x = 58,502.29

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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.