Home / 91,504.14-126,280.54-57,500.05

Finding the Fourth Proportional to 91,504.14, 126,280.54 and 57,500.05

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Solution

The fourth proportional to 91,504.14, 126,280.54 and 57,500.05 is: 79,353.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,504.14 : 126,280.54 = 57,500.05 : x
  2. Step 2: Convert to fraction form
    91,504.14/126,280.54 = 57,500.05/x
  3. Step 3: Cross multiply
    91,504.14x = 126,280.54 × 57,500.05
  4. Step 4: Simplify right side
    91,504.14x = 7,261,136,892.81
  5. Step 5: Solve for x
    x = 7,261,136,892.81/91,504.14
  6. Step 6: Final answer
    x = 79,353.10

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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.