Home / 51,168.02-70,606.40-28,502.64

Finding the Fourth Proportional to 51,168.02, 70,606.40 and 28,502.64

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Solution

The fourth proportional to 51,168.02, 70,606.40 and 28,502.64 is: 39,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,168.02 : 70,606.40 = 28,502.64 : x
  2. Step 2: Convert to fraction form
    51,168.02/70,606.40 = 28,502.64/x
  3. Step 3: Cross multiply
    51,168.02x = 70,606.40 × 28,502.64
  4. Step 4: Simplify right side
    51,168.02x = 2,012,468,658.38
  5. Step 5: Solve for x
    x = 2,012,468,658.38/51,168.02
  6. Step 6: Final answer
    x = 39,330.60

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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.