Home / 70,669.50-97,523.91-38,840.45

Finding the Fourth Proportional to 70,669.50, 97,523.91 and 38,840.45

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Solution

The fourth proportional to 70,669.50, 97,523.91 and 38,840.45 is: 53,599.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,669.50 : 97,523.91 = 38,840.45 : x
  2. Step 2: Convert to fraction form
    70,669.50/97,523.91 = 38,840.45/x
  3. Step 3: Cross multiply
    70,669.50x = 97,523.91 × 38,840.45
  4. Step 4: Simplify right side
    70,669.50x = 3,787,872,428.25
  5. Step 5: Solve for x
    x = 3,787,872,428.25/70,669.50
  6. Step 6: Final answer
    x = 53,599.82

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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.