Home / 70,365.48-97,104.51-38,100.45

Finding the Fourth Proportional to 70,365.48, 97,104.51 and 38,100.45

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Solution

The fourth proportional to 70,365.48, 97,104.51 and 38,100.45 is: 52,578.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,365.48 : 97,104.51 = 38,100.45 : x
  2. Step 2: Convert to fraction form
    70,365.48/97,104.51 = 38,100.45/x
  3. Step 3: Cross multiply
    70,365.48x = 97,104.51 × 38,100.45
  4. Step 4: Simplify right side
    70,365.48x = 3,699,725,528.03
  5. Step 5: Solve for x
    x = 3,699,725,528.03/70,365.48
  6. Step 6: Final answer
    x = 52,578.70

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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.