Home / 70,555.65-97,360.34-40,340.01

Finding the Fourth Proportional to 70,555.65, 97,360.34 and 40,340.01

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Solution

The fourth proportional to 70,555.65, 97,360.34 and 40,340.01 is: 55,665.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,555.65 : 97,360.34 = 40,340.01 : x
  2. Step 2: Convert to fraction form
    70,555.65/97,360.34 = 40,340.01/x
  3. Step 3: Cross multiply
    70,555.65x = 97,360.34 × 40,340.01
  4. Step 4: Simplify right side
    70,555.65x = 3,927,517,089.20
  5. Step 5: Solve for x
    x = 3,927,517,089.20/70,555.65
  6. Step 6: Final answer
    x = 55,665.52

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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.