Home / 97,987.50-135,223.74-53,276.46

Finding the Fourth Proportional to 97,987.50, 135,223.74 and 53,276.46

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Solution

The fourth proportional to 97,987.50, 135,223.74 and 53,276.46 is: 73,522.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,987.50 : 135,223.74 = 53,276.46 : x
  2. Step 2: Convert to fraction form
    97,987.50/135,223.74 = 53,276.46/x
  3. Step 3: Cross multiply
    97,987.50x = 135,223.74 × 53,276.46
  4. Step 4: Simplify right side
    97,987.50x = 7,204,242,175.16
  5. Step 5: Solve for x
    x = 7,204,242,175.16/97,987.50
  6. Step 6: Final answer
    x = 73,522.05

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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.