Home / 102,421.71-153,632.57-32,306.49

Finding the Fourth Proportional to 102,421.71, 153,632.57 and 32,306.49

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Solution

The fourth proportional to 102,421.71, 153,632.57 and 32,306.49 is: 48,459.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,421.71 : 153,632.57 = 32,306.49 : x
  2. Step 2: Convert to fraction form
    102,421.71/153,632.57 = 32,306.49/x
  3. Step 3: Cross multiply
    102,421.71x = 153,632.57 × 32,306.49
  4. Step 4: Simplify right side
    102,421.71x = 4,963,329,086.38
  5. Step 5: Solve for x
    x = 4,963,329,086.38/102,421.71
  6. Step 6: Final answer
    x = 48,459.74

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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.