Home / 70,488.27-97,275.06-38,656.89

Finding the Fourth Proportional to 70,488.27, 97,275.06 and 38,656.89

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Solution

The fourth proportional to 70,488.27, 97,275.06 and 38,656.89 is: 53,347.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,488.27 : 97,275.06 = 38,656.89 : x
  2. Step 2: Convert to fraction form
    70,488.27/97,275.06 = 38,656.89/x
  3. Step 3: Cross multiply
    70,488.27x = 97,275.06 × 38,656.89
  4. Step 4: Simplify right side
    70,488.27x = 3,760,351,294.16
  5. Step 5: Solve for x
    x = 3,760,351,294.16/70,488.27
  6. Step 6: Final answer
    x = 53,347.19

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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.