Home / 93,680.40-140,407.38-54,156.18

Finding the Fourth Proportional to 93,680.40, 140,407.38 and 54,156.18

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Solution

The fourth proportional to 93,680.40, 140,407.38 and 54,156.18 is: 81,168.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,680.40 : 140,407.38 = 54,156.18 : x
  2. Step 2: Convert to fraction form
    93,680.40/140,407.38 = 54,156.18/x
  3. Step 3: Cross multiply
    93,680.40x = 140,407.38 × 54,156.18
  4. Step 4: Simplify right side
    93,680.40x = 7,603,927,344.61
  5. Step 5: Solve for x
    x = 7,603,927,344.61/93,680.40
  6. Step 6: Final answer
    x = 81,168.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.