Home / 69,864.68-96,412.86-38,034.20

Finding the Fourth Proportional to 69,864.68, 96,412.86 and 38,034.20

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Solution

The fourth proportional to 69,864.68, 96,412.86 and 38,034.20 is: 52,486.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,864.68 : 96,412.86 = 38,034.20 : x
  2. Step 2: Convert to fraction form
    69,864.68/96,412.86 = 38,034.20/x
  3. Step 3: Cross multiply
    69,864.68x = 96,412.86 × 38,034.20
  4. Step 4: Simplify right side
    69,864.68x = 3,666,985,999.81
  5. Step 5: Solve for x
    x = 3,666,985,999.81/69,864.68
  6. Step 6: Final answer
    x = 52,486.98

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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.