Home / 115,641.67-159,585.77-64,656.22

Finding the Fourth Proportional to 115,641.67, 159,585.77 and 64,656.22

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Solution

The fourth proportional to 115,641.67, 159,585.77 and 64,656.22 is: 89,225.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,641.67 : 159,585.77 = 64,656.22 : x
  2. Step 2: Convert to fraction form
    115,641.67/159,585.77 = 64,656.22/x
  3. Step 3: Cross multiply
    115,641.67x = 159,585.77 × 64,656.22
  4. Step 4: Simplify right side
    115,641.67x = 10,318,212,653.99
  5. Step 5: Solve for x
    x = 10,318,212,653.99/115,641.67
  6. Step 6: Final answer
    x = 89,225.73

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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.