Home / 48,365.16-66,710.34-39,412.68

Finding the Fourth Proportional to 48,365.16, 66,710.34 and 39,412.68

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Solution

The fourth proportional to 48,365.16, 66,710.34 and 39,412.68 is: 54,362.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,365.16 : 66,710.34 = 39,412.68 : x
  2. Step 2: Convert to fraction form
    48,365.16/66,710.34 = 39,412.68/x
  3. Step 3: Cross multiply
    48,365.16x = 66,710.34 × 39,412.68
  4. Step 4: Simplify right side
    48,365.16x = 2,629,233,283.11
  5. Step 5: Solve for x
    x = 2,629,233,283.11/48,365.16
  6. Step 6: Final answer
    x = 54,362.13

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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.