Home / 92,972.88-128,302.92-50,531.58

Finding the Fourth Proportional to 92,972.88, 128,302.92 and 50,531.58

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Solution

The fourth proportional to 92,972.88, 128,302.92 and 50,531.58 is: 69,733.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,972.88 : 128,302.92 = 50,531.58 : x
  2. Step 2: Convert to fraction form
    92,972.88/128,302.92 = 50,531.58/x
  3. Step 3: Cross multiply
    92,972.88x = 128,302.92 × 50,531.58
  4. Step 4: Simplify right side
    92,972.88x = 6,483,349,266.21
  5. Step 5: Solve for x
    x = 6,483,349,266.21/92,972.88
  6. Step 6: Final answer
    x = 69,733.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.