Home / 72,293.23-99,752.75-45,416.71

Finding the Fourth Proportional to 72,293.23, 99,752.75 and 45,416.71

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Solution

The fourth proportional to 72,293.23, 99,752.75 and 45,416.71 is: 62,667.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,293.23 : 99,752.75 = 45,416.71 : x
  2. Step 2: Convert to fraction form
    72,293.23/99,752.75 = 45,416.71/x
  3. Step 3: Cross multiply
    72,293.23x = 99,752.75 × 45,416.71
  4. Step 4: Simplify right side
    72,293.23x = 4,530,440,992.61
  5. Step 5: Solve for x
    x = 4,530,440,992.61/72,293.23
  6. Step 6: Final answer
    x = 62,667.57

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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.