Home / 91,730.29-126,601.64-55,941.06

Finding the Fourth Proportional to 91,730.29, 126,601.64 and 55,941.06

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Solution

The fourth proportional to 91,730.29, 126,601.64 and 55,941.06 is: 77,207.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,730.29 : 126,601.64 = 55,941.06 : x
  2. Step 2: Convert to fraction form
    91,730.29/126,601.64 = 55,941.06/x
  3. Step 3: Cross multiply
    91,730.29x = 126,601.64 × 55,941.06
  4. Step 4: Simplify right side
    91,730.29x = 7,082,229,632.03
  5. Step 5: Solve for x
    x = 7,082,229,632.03/91,730.29
  6. Step 6: Final answer
    x = 77,207.10

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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.