Home / 70,291.13-97,001.70-38,460.16

Finding the Fourth Proportional to 70,291.13, 97,001.70 and 38,460.16

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Solution

The fourth proportional to 70,291.13, 97,001.70 and 38,460.16 is: 53,074.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,291.13 : 97,001.70 = 38,460.16 : x
  2. Step 2: Convert to fraction form
    70,291.13/97,001.70 = 38,460.16/x
  3. Step 3: Cross multiply
    70,291.13x = 97,001.70 × 38,460.16
  4. Step 4: Simplify right side
    70,291.13x = 3,730,700,902.27
  5. Step 5: Solve for x
    x = 3,730,700,902.27/70,291.13
  6. Step 6: Final answer
    x = 53,074.99

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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.