Home / 89,666.36-134,601.60-45,343.16

Finding the Fourth Proportional to 89,666.36, 134,601.60 and 45,343.16

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Solution

The fourth proportional to 89,666.36, 134,601.60 and 45,343.16 is: 68,066.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,666.36 : 134,601.60 = 45,343.16 : x
  2. Step 2: Convert to fraction form
    89,666.36/134,601.60 = 45,343.16/x
  3. Step 3: Cross multiply
    89,666.36x = 134,601.60 × 45,343.16
  4. Step 4: Simplify right side
    89,666.36x = 6,103,261,885.06
  5. Step 5: Solve for x
    x = 6,103,261,885.06/89,666.36
  6. Step 6: Final answer
    x = 68,066.35

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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.