Home / 90,688.53-136,032.63-24,128.67

Finding the Fourth Proportional to 90,688.53, 136,032.63 and 24,128.67

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Solution

The fourth proportional to 90,688.53, 136,032.63 and 24,128.67 is: 36,192.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,688.53 : 136,032.63 = 24,128.67 : x
  2. Step 2: Convert to fraction form
    90,688.53/136,032.63 = 24,128.67/x
  3. Step 3: Cross multiply
    90,688.53x = 136,032.63 × 24,128.67
  4. Step 4: Simplify right side
    90,688.53x = 3,282,286,438.50
  5. Step 5: Solve for x
    x = 3,282,286,438.50/90,688.53
  6. Step 6: Final answer
    x = 36,192.96

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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.