Home / 97,635.66-134,728.83-56,807.34

Finding the Fourth Proportional to 97,635.66, 134,728.83 and 56,807.34

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Solution

The fourth proportional to 97,635.66, 134,728.83 and 56,807.34 is: 78,389.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,635.66 : 134,728.83 = 56,807.34 : x
  2. Step 2: Convert to fraction form
    97,635.66/134,728.83 = 56,807.34/x
  3. Step 3: Cross multiply
    97,635.66x = 134,728.83 × 56,807.34
  4. Step 4: Simplify right side
    97,635.66x = 7,653,586,453.61
  5. Step 5: Solve for x
    x = 7,653,586,453.61/97,635.66
  6. Step 6: Final answer
    x = 78,389.25

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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.