Home / 102,431.16-153,646.74-32,315.94

Finding the Fourth Proportional to 102,431.16, 153,646.74 and 32,315.94

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Solution

The fourth proportional to 102,431.16, 153,646.74 and 32,315.94 is: 48,473.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,431.16 : 153,646.74 = 32,315.94 : x
  2. Step 2: Convert to fraction form
    102,431.16/153,646.74 = 32,315.94/x
  3. Step 3: Cross multiply
    102,431.16x = 153,646.74 × 32,315.94
  4. Step 4: Simplify right side
    102,431.16x = 4,965,238,831.04
  5. Step 5: Solve for x
    x = 4,965,238,831.04/102,431.16
  6. Step 6: Final answer
    x = 48,473.91

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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.