Home / 70,370.48-97,111.41-38,105.45

Finding the Fourth Proportional to 70,370.48, 97,111.41 and 38,105.45

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Solution

The fourth proportional to 70,370.48, 97,111.41 and 38,105.45 is: 52,585.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,370.48 : 97,111.41 = 38,105.45 : x
  2. Step 2: Convert to fraction form
    70,370.48/97,111.41 = 38,105.45/x
  3. Step 3: Cross multiply
    70,370.48x = 97,111.41 × 38,105.45
  4. Step 4: Simplify right side
    70,370.48x = 3,700,473,978.18
  5. Step 5: Solve for x
    x = 3,700,473,978.18/70,370.48
  6. Step 6: Final answer
    x = 52,585.60

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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.