Home / 92,079.36-127,083.96-56,290.32

Finding the Fourth Proportional to 92,079.36, 127,083.96 and 56,290.32

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Solution

The fourth proportional to 92,079.36, 127,083.96 and 56,290.32 is: 77,689.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,079.36 : 127,083.96 = 56,290.32 : x
  2. Step 2: Convert to fraction form
    92,079.36/127,083.96 = 56,290.32/x
  3. Step 3: Cross multiply
    92,079.36x = 127,083.96 × 56,290.32
  4. Step 4: Simplify right side
    92,079.36x = 7,153,596,775.27
  5. Step 5: Solve for x
    x = 7,153,596,775.27/92,079.36
  6. Step 6: Final answer
    x = 77,689.47

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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.