Home / 91,303.38-136,950.30-32,139.45

Finding the Fourth Proportional to 91,303.38, 136,950.30 and 32,139.45

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Solution

The fourth proportional to 91,303.38, 136,950.30 and 32,139.45 is: 48,207.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,303.38 : 136,950.30 = 32,139.45 : x
  2. Step 2: Convert to fraction form
    91,303.38/136,950.30 = 32,139.45/x
  3. Step 3: Cross multiply
    91,303.38x = 136,950.30 × 32,139.45
  4. Step 4: Simplify right side
    91,303.38x = 4,401,507,319.34
  5. Step 5: Solve for x
    x = 4,401,507,319.34/91,303.38
  6. Step 6: Final answer
    x = 48,207.50

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1.5x scale

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.