Home / 70,844.68-97,724.10-42,557.32

Finding the Fourth Proportional to 70,844.68, 97,724.10 and 42,557.32

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Solution

The fourth proportional to 70,844.68, 97,724.10 and 42,557.32 is: 58,704.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,844.68 : 97,724.10 = 42,557.32 : x
  2. Step 2: Convert to fraction form
    70,844.68/97,724.10 = 42,557.32/x
  3. Step 3: Cross multiply
    70,844.68x = 97,724.10 × 42,557.32
  4. Step 4: Simplify right side
    70,844.68x = 4,158,875,795.41
  5. Step 5: Solve for x
    x = 4,158,875,795.41/70,844.68
  6. Step 6: Final answer
    x = 58,704.14

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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.