Home / 70,616.19-97,513.64-52,680.06

Finding the Fourth Proportional to 70,616.19, 97,513.64 and 52,680.06

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Solution

The fourth proportional to 70,616.19, 97,513.64 and 52,680.06 is: 72,745.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,616.19 : 97,513.64 = 52,680.06 : x
  2. Step 2: Convert to fraction form
    70,616.19/97,513.64 = 52,680.06/x
  3. Step 3: Cross multiply
    70,616.19x = 97,513.64 × 52,680.06
  4. Step 4: Simplify right side
    70,616.19x = 5,137,024,406.02
  5. Step 5: Solve for x
    x = 5,137,024,406.02/70,616.19
  6. Step 6: Final answer
    x = 72,745.70

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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.