Home / 111,688.06-154,130.54-60,700.92

Finding the Fourth Proportional to 111,688.06, 154,130.54 and 60,700.92

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Solution

The fourth proportional to 111,688.06, 154,130.54 and 60,700.92 is: 83,767.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,688.06 : 154,130.54 = 60,700.92 : x
  2. Step 2: Convert to fraction form
    111,688.06/154,130.54 = 60,700.92/x
  3. Step 3: Cross multiply
    111,688.06x = 154,130.54 × 60,700.92
  4. Step 4: Simplify right side
    111,688.06x = 9,355,866,119.66
  5. Step 5: Solve for x
    x = 9,355,866,119.66/111,688.06
  6. Step 6: Final answer
    x = 83,767.83

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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.