Home / 115,352.21-172,715.66-59,831.57

Finding the Fourth Proportional to 115,352.21, 172,715.66 and 59,831.57

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Solution

The fourth proportional to 115,352.21, 172,715.66 and 59,831.57 is: 89,585.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,352.21 : 172,715.66 = 59,831.57 : x
  2. Step 2: Convert to fraction form
    115,352.21/172,715.66 = 59,831.57/x
  3. Step 3: Cross multiply
    115,352.21x = 172,715.66 × 59,831.57
  4. Step 4: Simplify right side
    115,352.21x = 10,333,849,458.39
  5. Step 5: Solve for x
    x = 10,333,849,458.39/115,352.21
  6. Step 6: Final answer
    x = 89,585.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.