Home / 97,856.57-135,068.64-57,583.28

Finding the Fourth Proportional to 97,856.57, 135,068.64 and 57,583.28

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Solution

The fourth proportional to 97,856.57, 135,068.64 and 57,583.28 is: 79,480.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,856.57 : 135,068.64 = 57,583.28 : x
  2. Step 2: Convert to fraction form
    97,856.57/135,068.64 = 57,583.28/x
  3. Step 3: Cross multiply
    97,856.57x = 135,068.64 × 57,583.28
  4. Step 4: Simplify right side
    97,856.57x = 7,777,695,316.34
  5. Step 5: Solve for x
    x = 7,777,695,316.34/97,856.57
  6. Step 6: Final answer
    x = 79,480.56

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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.