Home / 70,397.37-97,148.40-38,566.38

Finding the Fourth Proportional to 70,397.37, 97,148.40 and 38,566.38

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Solution

The fourth proportional to 70,397.37, 97,148.40 and 38,566.38 is: 53,221.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,397.37 : 97,148.40 = 38,566.38 : x
  2. Step 2: Convert to fraction form
    70,397.37/97,148.40 = 38,566.38/x
  3. Step 3: Cross multiply
    70,397.37x = 97,148.40 × 38,566.38
  4. Step 4: Simplify right side
    70,397.37x = 3,746,662,110.79
  5. Step 5: Solve for x
    x = 3,746,662,110.79/70,397.37
  6. Step 6: Final answer
    x = 53,221.62

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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.