Home / 70,801.07-97,705.80-40,588.16

Finding the Fourth Proportional to 70,801.07, 97,705.80 and 40,588.16

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Solution

The fourth proportional to 70,801.07, 97,705.80 and 40,588.16 is: 56,011.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,801.07 : 97,705.80 = 40,588.16 : x
  2. Step 2: Convert to fraction form
    70,801.07/97,705.80 = 40,588.16/x
  3. Step 3: Cross multiply
    70,801.07x = 97,705.80 × 40,588.16
  4. Step 4: Simplify right side
    70,801.07x = 3,965,698,154.80
  5. Step 5: Solve for x
    x = 3,965,698,154.80/70,801.07
  6. Step 6: Final answer
    x = 56,011.84

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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.