Home / 91,599.86-126,384.21-53,867.06

Finding the Fourth Proportional to 91,599.86, 126,384.21 and 53,867.06

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Solution

The fourth proportional to 91,599.86, 126,384.21 and 53,867.06 is: 74,322.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,599.86 : 126,384.21 = 53,867.06 : x
  2. Step 2: Convert to fraction form
    91,599.86/126,384.21 = 53,867.06/x
  3. Step 3: Cross multiply
    91,599.86x = 126,384.21 × 53,867.06
  4. Step 4: Simplify right side
    91,599.86x = 6,807,945,823.12
  5. Step 5: Solve for x
    x = 6,807,945,823.12/91,599.86
  6. Step 6: Final answer
    x = 74,322.67

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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.