Home / 73,215.36-101,036.88-39,681.36

Finding the Fourth Proportional to 73,215.36, 101,036.88 and 39,681.36

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Solution

The fourth proportional to 73,215.36, 101,036.88 and 39,681.36 is: 54,760.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,215.36 : 101,036.88 = 39,681.36 : x
  2. Step 2: Convert to fraction form
    73,215.36/101,036.88 = 39,681.36/x
  3. Step 3: Cross multiply
    73,215.36x = 101,036.88 × 39,681.36
  4. Step 4: Simplify right side
    73,215.36x = 4,009,280,808.56
  5. Step 5: Solve for x
    x = 4,009,280,808.56/73,215.36
  6. Step 6: Final answer
    x = 54,760.11

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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.