Home / 107,565.02-161,295.21-64,914.40

Finding the Fourth Proportional to 107,565.02, 161,295.21 and 64,914.40

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Solution

The fourth proportional to 107,565.02, 161,295.21 and 64,914.40 is: 97,340.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,565.02 : 161,295.21 = 64,914.40 : x
  2. Step 2: Convert to fraction form
    107,565.02/161,295.21 = 64,914.40/x
  3. Step 3: Cross multiply
    107,565.02x = 161,295.21 × 64,914.40
  4. Step 4: Simplify right side
    107,565.02x = 10,470,381,376.79
  5. Step 5: Solve for x
    x = 10,470,381,376.79/107,565.02
  6. Step 6: Final answer
    x = 97,340.03

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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.