Home / 92,915.28-128,204.16-56,592.36

Finding the Fourth Proportional to 92,915.28, 128,204.16 and 56,592.36

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Solution

The fourth proportional to 92,915.28, 128,204.16 and 56,592.36 is: 78,085.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,915.28 : 128,204.16 = 56,592.36 : x
  2. Step 2: Convert to fraction form
    92,915.28/128,204.16 = 56,592.36/x
  3. Step 3: Cross multiply
    92,915.28x = 128,204.16 × 56,592.36
  4. Step 4: Simplify right side
    92,915.28x = 7,255,375,976.22
  5. Step 5: Solve for x
    x = 7,255,375,976.22/92,915.28
  6. Step 6: Final answer
    x = 78,085.93

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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.