Home / 76,476.02-105,575.28-47,811.60

Finding the Fourth Proportional to 76,476.02, 105,575.28 and 47,811.60

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Solution

The fourth proportional to 76,476.02, 105,575.28 and 47,811.60 is: 66,004.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,476.02 : 105,575.28 = 47,811.60 : x
  2. Step 2: Convert to fraction form
    76,476.02/105,575.28 = 47,811.60/x
  3. Step 3: Cross multiply
    76,476.02x = 105,575.28 × 47,811.60
  4. Step 4: Simplify right side
    76,476.02x = 5,047,723,057.25
  5. Step 5: Solve for x
    x = 5,047,723,057.25/76,476.02
  6. Step 6: Final answer
    x = 66,004.00

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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.