Home / 92,810.04-128,078.28-50,368.62

Finding the Fourth Proportional to 92,810.04, 128,078.28 and 50,368.62

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Solution

The fourth proportional to 92,810.04, 128,078.28 and 50,368.62 is: 69,508.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,810.04 : 128,078.28 = 50,368.62 : x
  2. Step 2: Convert to fraction form
    92,810.04/128,078.28 = 50,368.62/x
  3. Step 3: Cross multiply
    92,810.04x = 128,078.28 × 50,368.62
  4. Step 4: Simplify right side
    92,810.04x = 6,451,126,215.57
  5. Step 5: Solve for x
    x = 6,451,126,215.57/92,810.04
  6. Step 6: Final answer
    x = 69,508.93

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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.