Home / 65,214.24-89,794.14-50,931.76

Finding the Fourth Proportional to 65,214.24, 89,794.14 and 50,931.76

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Solution

The fourth proportional to 65,214.24, 89,794.14 and 50,931.76 is: 70,128.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,214.24 : 89,794.14 = 50,931.76 : x
  2. Step 2: Convert to fraction form
    65,214.24/89,794.14 = 50,931.76/x
  3. Step 3: Cross multiply
    65,214.24x = 89,794.14 × 50,931.76
  4. Step 4: Simplify right side
    65,214.24x = 4,573,373,587.89
  5. Step 5: Solve for x
    x = 4,573,373,587.89/65,214.24
  6. Step 6: Final answer
    x = 70,128.45

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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.