Home / 65,156.18-89,924.01-36,486.76

Finding the Fourth Proportional to 65,156.18, 89,924.01 and 36,486.76

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Solution

The fourth proportional to 65,156.18, 89,924.01 and 36,486.76 is: 50,356.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,156.18 : 89,924.01 = 36,486.76 : x
  2. Step 2: Convert to fraction form
    65,156.18/89,924.01 = 36,486.76/x
  3. Step 3: Cross multiply
    65,156.18x = 89,924.01 × 36,486.76
  4. Step 4: Simplify right side
    65,156.18x = 3,281,035,588.67
  5. Step 5: Solve for x
    x = 3,281,035,588.67/65,156.18
  6. Step 6: Final answer
    x = 50,356.48

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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.