Home / 91,570.07-126,315.10-53,325.11

Finding the Fourth Proportional to 91,570.07, 126,315.10 and 53,325.11

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Solution

The fourth proportional to 91,570.07, 126,315.10 and 53,325.11 is: 73,558.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,570.07 : 126,315.10 = 53,325.11 : x
  2. Step 2: Convert to fraction form
    91,570.07/126,315.10 = 53,325.11/x
  3. Step 3: Cross multiply
    91,570.07x = 126,315.10 × 53,325.11
  4. Step 4: Simplify right side
    91,570.07x = 6,735,766,602.16
  5. Step 5: Solve for x
    x = 6,735,766,602.16/91,570.07
  6. Step 6: Final answer
    x = 73,558.60

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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.