Home / 73,880.16-101,954.80-40,346.16

Finding the Fourth Proportional to 73,880.16, 101,954.80 and 40,346.16

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Solution

The fourth proportional to 73,880.16, 101,954.80 and 40,346.16 is: 55,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,880.16 : 101,954.80 = 40,346.16 : x
  2. Step 2: Convert to fraction form
    73,880.16/101,954.80 = 40,346.16/x
  3. Step 3: Cross multiply
    73,880.16x = 101,954.80 × 40,346.16
  4. Step 4: Simplify right side
    73,880.16x = 4,113,484,673.57
  5. Step 5: Solve for x
    x = 4,113,484,673.57/73,880.16
  6. Step 6: Final answer
    x = 55,677.80

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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.