Home / 70,479.12-97,262.52-38,646.12

Finding the Fourth Proportional to 70,479.12, 97,262.52 and 38,646.12

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Solution

The fourth proportional to 70,479.12, 97,262.52 and 38,646.12 is: 53,332.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,479.12 : 97,262.52 = 38,646.12 : x
  2. Step 2: Convert to fraction form
    70,479.12/97,262.52 = 38,646.12/x
  3. Step 3: Cross multiply
    70,479.12x = 97,262.52 × 38,646.12
  4. Step 4: Simplify right side
    70,479.12x = 3,758,819,019.42
  5. Step 5: Solve for x
    x = 3,758,819,019.42/70,479.12
  6. Step 6: Final answer
    x = 53,332.38

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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.