Home / 92,315.43-138,417.69-36,088.57

Finding the Fourth Proportional to 92,315.43, 138,417.69 and 36,088.57

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Solution

The fourth proportional to 92,315.43, 138,417.69 and 36,088.57 is: 54,111.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,315.43 : 138,417.69 = 36,088.57 : x
  2. Step 2: Convert to fraction form
    92,315.43/138,417.69 = 36,088.57/x
  3. Step 3: Cross multiply
    92,315.43x = 138,417.69 × 36,088.57
  4. Step 4: Simplify right side
    92,315.43x = 4,995,296,148.76
  5. Step 5: Solve for x
    x = 4,995,296,148.76/92,315.43
  6. Step 6: Final answer
    x = 54,111.17

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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.