Home / 91,966.01-126,916.81-51,679.64

Finding the Fourth Proportional to 91,966.01, 126,916.81 and 51,679.64

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Solution

The fourth proportional to 91,966.01, 126,916.81 and 51,679.64 is: 71,320.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,966.01 : 126,916.81 = 51,679.64 : x
  2. Step 2: Convert to fraction form
    91,966.01/126,916.81 = 51,679.64/x
  3. Step 3: Cross multiply
    91,966.01x = 126,916.81 × 51,679.64
  4. Step 4: Simplify right side
    91,966.01x = 6,559,015,238.84
  5. Step 5: Solve for x
    x = 6,559,015,238.84/91,966.01
  6. Step 6: Final answer
    x = 71,320.00

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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.