Home / 74,259.37-102,480.56-53,089.21

Finding the Fourth Proportional to 74,259.37, 102,480.56 and 53,089.21

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Solution

The fourth proportional to 74,259.37, 102,480.56 and 53,089.21 is: 73,264.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,259.37 : 102,480.56 = 53,089.21 : x
  2. Step 2: Convert to fraction form
    74,259.37/102,480.56 = 53,089.21/x
  3. Step 3: Cross multiply
    74,259.37x = 102,480.56 × 53,089.21
  4. Step 4: Simplify right side
    74,259.37x = 5,440,611,970.76
  5. Step 5: Solve for x
    x = 5,440,611,970.76/74,259.37
  6. Step 6: Final answer
    x = 73,264.99

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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.