Home / 89,852.16-134,688.18-45,344.28

Finding the Fourth Proportional to 89,852.16, 134,688.18 and 45,344.28

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Solution

The fourth proportional to 89,852.16, 134,688.18 and 45,344.28 is: 67,970.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,852.16 : 134,688.18 = 45,344.28 : x
  2. Step 2: Convert to fraction form
    89,852.16/134,688.18 = 45,344.28/x
  3. Step 3: Cross multiply
    89,852.16x = 134,688.18 × 45,344.28
  4. Step 4: Simplify right side
    89,852.16x = 6,107,338,546.61
  5. Step 5: Solve for x
    x = 6,107,338,546.61/89,852.16
  6. Step 6: Final answer
    x = 67,970.97

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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.