Home / 70,717.56-97,590.58-38,888.52

Finding the Fourth Proportional to 70,717.56, 97,590.58 and 38,888.52

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Solution

The fourth proportional to 70,717.56, 97,590.58 and 38,888.52 is: 53,666.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,717.56 : 97,590.58 = 38,888.52 : x
  2. Step 2: Convert to fraction form
    70,717.56/97,590.58 = 38,888.52/x
  3. Step 3: Cross multiply
    70,717.56x = 97,590.58 × 38,888.52
  4. Step 4: Simplify right side
    70,717.56x = 3,795,153,222.14
  5. Step 5: Solve for x
    x = 3,795,153,222.14/70,717.56
  6. Step 6: Final answer
    x = 53,666.35

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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.