Home / 92,774.26-128,095.05-57,012.22

Finding the Fourth Proportional to 92,774.26, 128,095.05 and 57,012.22

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Solution

The fourth proportional to 92,774.26, 128,095.05 and 57,012.22 is: 78,717.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,774.26 : 128,095.05 = 57,012.22 : x
  2. Step 2: Convert to fraction form
    92,774.26/128,095.05 = 57,012.22/x
  3. Step 3: Cross multiply
    92,774.26x = 128,095.05 × 57,012.22
  4. Step 4: Simplify right side
    92,774.26x = 7,302,983,171.51
  5. Step 5: Solve for x
    x = 7,302,983,171.51/92,774.26
  6. Step 6: Final answer
    x = 78,717.77

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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.