Home / 70,717.50-97,590.17-38,888.58

Finding the Fourth Proportional to 70,717.50, 97,590.17 and 38,888.58

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Solution

The fourth proportional to 70,717.50, 97,590.17 and 38,888.58 is: 53,666.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,717.50 : 97,590.17 = 38,888.58 : x
  2. Step 2: Convert to fraction form
    70,717.50/97,590.17 = 38,888.58/x
  3. Step 3: Cross multiply
    70,717.50x = 97,590.17 × 38,888.58
  4. Step 4: Simplify right side
    70,717.50x = 3,795,143,133.26
  5. Step 5: Solve for x
    x = 3,795,143,133.26/70,717.50
  6. Step 6: Final answer
    x = 53,666.25

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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.