Home / 97,515.45-134,570.55-52,803.45

Finding the Fourth Proportional to 97,515.45, 134,570.55 and 52,803.45

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Solution

The fourth proportional to 97,515.45, 134,570.55 and 52,803.45 is: 72,868.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,515.45 : 134,570.55 = 52,803.45 : x
  2. Step 2: Convert to fraction form
    97,515.45/134,570.55 = 52,803.45/x
  3. Step 3: Cross multiply
    97,515.45x = 134,570.55 × 52,803.45
  4. Step 4: Simplify right side
    97,515.45x = 7,105,789,308.40
  5. Step 5: Solve for x
    x = 7,105,789,308.40/97,515.45
  6. Step 6: Final answer
    x = 72,868.34

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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.