Home / 92,758.06-128,006.12-52,470.96

Finding the Fourth Proportional to 92,758.06, 128,006.12 and 52,470.96

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Solution

The fourth proportional to 92,758.06, 128,006.12 and 52,470.96 is: 72,409.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,758.06 : 128,006.12 = 52,470.96 : x
  2. Step 2: Convert to fraction form
    92,758.06/128,006.12 = 52,470.96/x
  3. Step 3: Cross multiply
    92,758.06x = 128,006.12 × 52,470.96
  4. Step 4: Simplify right side
    92,758.06x = 6,716,604,002.28
  5. Step 5: Solve for x
    x = 6,716,604,002.28/92,758.06
  6. Step 6: Final answer
    x = 72,409.92

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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.