Home / 102,538.07-153,806.18-32,417.40

Finding the Fourth Proportional to 102,538.07, 153,806.18 and 32,417.40

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Solution

The fourth proportional to 102,538.07, 153,806.18 and 32,417.40 is: 48,625.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,538.07 : 153,806.18 = 32,417.40 : x
  2. Step 2: Convert to fraction form
    102,538.07/153,806.18 = 32,417.40/x
  3. Step 3: Cross multiply
    102,538.07x = 153,806.18 × 32,417.40
  4. Step 4: Simplify right side
    102,538.07x = 4,985,996,297.45
  5. Step 5: Solve for x
    x = 4,985,996,297.45/102,538.07
  6. Step 6: Final answer
    x = 48,625.81

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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.