Home / 69,875.13-96,424.32-39,656.34

Finding the Fourth Proportional to 69,875.13, 96,424.32 and 39,656.34

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Solution

The fourth proportional to 69,875.13, 96,424.32 and 39,656.34 is: 54,723.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,875.13 : 96,424.32 = 39,656.34 : x
  2. Step 2: Convert to fraction form
    69,875.13/96,424.32 = 39,656.34/x
  3. Step 3: Cross multiply
    69,875.13x = 96,424.32 × 39,656.34
  4. Step 4: Simplify right side
    69,875.13x = 3,823,835,618.19
  5. Step 5: Solve for x
    x = 3,823,835,618.19/69,875.13
  6. Step 6: Final answer
    x = 54,723.84

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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.