Home / 92,934.16-128,248.64-50,492.72

Finding the Fourth Proportional to 92,934.16, 128,248.64 and 50,492.72

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Solution

The fourth proportional to 92,934.16, 128,248.64 and 50,492.72 is: 69,679.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,934.16 : 128,248.64 = 50,492.72 : x
  2. Step 2: Convert to fraction form
    92,934.16/128,248.64 = 50,492.72/x
  3. Step 3: Cross multiply
    92,934.16x = 128,248.64 × 50,492.72
  4. Step 4: Simplify right side
    92,934.16x = 6,475,622,669.90
  5. Step 5: Solve for x
    x = 6,475,622,669.90/92,934.16
  6. Step 6: Final answer
    x = 69,679.68

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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.