Home / 60,571.19-90,875.40-31,009.78

Finding the Fourth Proportional to 60,571.19, 90,875.40 and 31,009.78

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Solution

The fourth proportional to 60,571.19, 90,875.40 and 31,009.78 is: 46,524.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,571.19 : 90,875.40 = 31,009.78 : x
  2. Step 2: Convert to fraction form
    60,571.19/90,875.40 = 31,009.78/x
  3. Step 3: Cross multiply
    60,571.19x = 90,875.40 × 31,009.78
  4. Step 4: Simplify right side
    60,571.19x = 2,818,025,551.99
  5. Step 5: Solve for x
    x = 2,818,025,551.99/60,571.19
  6. Step 6: Final answer
    x = 46,524.19

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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.