Home / 99,099.28-136,775.88-58,835.12

Finding the Fourth Proportional to 99,099.28, 136,775.88 and 58,835.12

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Solution

The fourth proportional to 99,099.28, 136,775.88 and 58,835.12 is: 81,203.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,099.28 : 136,775.88 = 58,835.12 : x
  2. Step 2: Convert to fraction form
    99,099.28/136,775.88 = 58,835.12/x
  3. Step 3: Cross multiply
    99,099.28x = 136,775.88 × 58,835.12
  4. Step 4: Simplify right side
    99,099.28x = 8,047,225,312.91
  5. Step 5: Solve for x
    x = 8,047,225,312.91/99,099.28
  6. Step 6: Final answer
    x = 81,203.67

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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.