Home / 92,280.84-138,313.27-42,365.76

Finding the Fourth Proportional to 92,280.84, 138,313.27 and 42,365.76

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Solution

The fourth proportional to 92,280.84, 138,313.27 and 42,365.76 is: 63,499.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,280.84 : 138,313.27 = 42,365.76 : x
  2. Step 2: Convert to fraction form
    92,280.84/138,313.27 = 42,365.76/x
  3. Step 3: Cross multiply
    92,280.84x = 138,313.27 × 42,365.76
  4. Step 4: Simplify right side
    92,280.84x = 5,859,746,801.64
  5. Step 5: Solve for x
    x = 5,859,746,801.64/92,280.84
  6. Step 6: Final answer
    x = 63,499.06

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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.