Home / 91,516.59-126,295.53-51,230.11

Finding the Fourth Proportional to 91,516.59, 126,295.53 and 51,230.11

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Solution

The fourth proportional to 91,516.59, 126,295.53 and 51,230.11 is: 70,699.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,516.59 : 126,295.53 = 51,230.11 : x
  2. Step 2: Convert to fraction form
    91,516.59/126,295.53 = 51,230.11/x
  3. Step 3: Cross multiply
    91,516.59x = 126,295.53 × 51,230.11
  4. Step 4: Simplify right side
    91,516.59x = 6,470,133,638.26
  5. Step 5: Solve for x
    x = 6,470,133,638.26/91,516.59
  6. Step 6: Final answer
    x = 70,699.03

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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.