Home / 97,841.07-135,018.25-54,822.32

Finding the Fourth Proportional to 97,841.07, 135,018.25 and 54,822.32

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Solution

The fourth proportional to 97,841.07, 135,018.25 and 54,822.32 is: 75,653.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,841.07 : 135,018.25 = 54,822.32 : x
  2. Step 2: Convert to fraction form
    97,841.07/135,018.25 = 54,822.32/x
  3. Step 3: Cross multiply
    97,841.07x = 135,018.25 × 54,822.32
  4. Step 4: Simplify right side
    97,841.07x = 7,402,013,707.34
  5. Step 5: Solve for x
    x = 7,402,013,707.34/97,841.07
  6. Step 6: Final answer
    x = 75,653.44

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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.