Home / 70,291.12-97,003.14-38,460.70

Finding the Fourth Proportional to 70,291.12, 97,003.14 and 38,460.70

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Solution

The fourth proportional to 70,291.12, 97,003.14 and 38,460.70 is: 53,076.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,291.12 : 97,003.14 = 38,460.70 : x
  2. Step 2: Convert to fraction form
    70,291.12/97,003.14 = 38,460.70/x
  3. Step 3: Cross multiply
    70,291.12x = 97,003.14 × 38,460.70
  4. Step 4: Simplify right side
    70,291.12x = 3,730,808,666.60
  5. Step 5: Solve for x
    x = 3,730,808,666.60/70,291.12
  6. Step 6: Final answer
    x = 53,076.53

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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.