Home / 91,799.80-137,520.18-63,332.35

Finding the Fourth Proportional to 91,799.80, 137,520.18 and 63,332.35

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Solution

The fourth proportional to 91,799.80, 137,520.18 and 63,332.35 is: 94,874.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,799.80 : 137,520.18 = 63,332.35 : x
  2. Step 2: Convert to fraction form
    91,799.80/137,520.18 = 63,332.35/x
  3. Step 3: Cross multiply
    91,799.80x = 137,520.18 × 63,332.35
  4. Step 4: Simplify right side
    91,799.80x = 8,709,475,828.02
  5. Step 5: Solve for x
    x = 8,709,475,828.02/91,799.80
  6. Step 6: Final answer
    x = 94,874.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.