Home / 53,705.51-74,112.12-29,831.57

Finding the Fourth Proportional to 53,705.51, 74,112.12 and 29,831.57

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Solution

The fourth proportional to 53,705.51, 74,112.12 and 29,831.57 is: 41,166.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,705.51 : 74,112.12 = 29,831.57 : x
  2. Step 2: Convert to fraction form
    53,705.51/74,112.12 = 29,831.57/x
  3. Step 3: Cross multiply
    53,705.51x = 74,112.12 × 29,831.57
  4. Step 4: Simplify right side
    53,705.51x = 2,210,880,525.07
  5. Step 5: Solve for x
    x = 2,210,880,525.07/53,705.51
  6. Step 6: Final answer
    x = 41,166.74

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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.