Home / 52,346.28-72,256.66-31,125.50

Finding the Fourth Proportional to 52,346.28, 72,256.66 and 31,125.50

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Solution

The fourth proportional to 52,346.28, 72,256.66 and 31,125.50 is: 42,964.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,346.28 : 72,256.66 = 31,125.50 : x
  2. Step 2: Convert to fraction form
    52,346.28/72,256.66 = 31,125.50/x
  3. Step 3: Cross multiply
    52,346.28x = 72,256.66 × 31,125.50
  4. Step 4: Simplify right side
    52,346.28x = 2,249,024,670.83
  5. Step 5: Solve for x
    x = 2,249,024,670.83/52,346.28
  6. Step 6: Final answer
    x = 42,964.36

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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.