Home / 53,693.06-74,099.70-31,036.16

Finding the Fourth Proportional to 53,693.06, 74,099.70 and 31,036.16

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Solution

The fourth proportional to 53,693.06, 74,099.70 and 31,036.16 is: 42,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,693.06 : 74,099.70 = 31,036.16 : x
  2. Step 2: Convert to fraction form
    53,693.06/74,099.70 = 31,036.16/x
  3. Step 3: Cross multiply
    53,693.06x = 74,099.70 × 31,036.16
  4. Step 4: Simplify right side
    53,693.06x = 2,299,770,145.15
  5. Step 5: Solve for x
    x = 2,299,770,145.15/53,693.06
  6. Step 6: Final answer
    x = 42,831.80

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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.