Home / 94,688.40-142,032.60-47,935.20

Finding the Fourth Proportional to 94,688.40, 142,032.60 and 47,935.20

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Solution

The fourth proportional to 94,688.40, 142,032.60 and 47,935.20 is: 71,902.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,688.40 : 142,032.60 = 47,935.20 : x
  2. Step 2: Convert to fraction form
    94,688.40/142,032.60 = 47,935.20/x
  3. Step 3: Cross multiply
    94,688.40x = 142,032.60 × 47,935.20
  4. Step 4: Simplify right side
    94,688.40x = 6,808,361,087.52
  5. Step 5: Solve for x
    x = 6,808,361,087.52/94,688.40
  6. Step 6: Final answer
    x = 71,902.80

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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.