Home / 105,008.13-157,483.92-38,448.60

Finding the Fourth Proportional to 105,008.13, 157,483.92 and 38,448.60

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Solution

The fourth proportional to 105,008.13, 157,483.92 and 38,448.60 is: 57,662.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,008.13 : 157,483.92 = 38,448.60 : x
  2. Step 2: Convert to fraction form
    105,008.13/157,483.92 = 38,448.60/x
  3. Step 3: Cross multiply
    105,008.13x = 157,483.92 × 38,448.60
  4. Step 4: Simplify right side
    105,008.13x = 6,055,036,246.51
  5. Step 5: Solve for x
    x = 6,055,036,246.51/105,008.13
  6. Step 6: Final answer
    x = 57,662.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.