Home / 111,631.77-154,051.23-60,644.10

Finding the Fourth Proportional to 111,631.77, 154,051.23 and 60,644.10

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Solution

The fourth proportional to 111,631.77, 154,051.23 and 60,644.10 is: 83,688.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,631.77 : 154,051.23 = 60,644.10 : x
  2. Step 2: Convert to fraction form
    111,631.77/154,051.23 = 60,644.10/x
  3. Step 3: Cross multiply
    111,631.77x = 154,051.23 × 60,644.10
  4. Step 4: Simplify right side
    111,631.77x = 9,342,298,197.24
  5. Step 5: Solve for x
    x = 9,342,298,197.24/111,631.77
  6. Step 6: Final answer
    x = 83,688.53

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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.