Home / 91,554.94-126,358.61-66,143.52

Finding the Fourth Proportional to 91,554.94, 126,358.61 and 66,143.52

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Solution

The fourth proportional to 91,554.94, 126,358.61 and 66,143.52 is: 91,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,554.94 : 126,358.61 = 66,143.52 : x
  2. Step 2: Convert to fraction form
    91,554.94/126,358.61 = 66,143.52/x
  3. Step 3: Cross multiply
    91,554.94x = 126,358.61 × 66,143.52
  4. Step 4: Simplify right side
    91,554.94x = 8,357,803,247.71
  5. Step 5: Solve for x
    x = 8,357,803,247.71/91,554.94
  6. Step 6: Final answer
    x = 91,287.30

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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.