Home / 74,831.23-103,277.46-42,999.45

Finding the Fourth Proportional to 74,831.23, 103,277.46 and 42,999.45

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Solution

The fourth proportional to 74,831.23, 103,277.46 and 42,999.45 is: 59,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,831.23 : 103,277.46 = 42,999.45 : x
  2. Step 2: Convert to fraction form
    74,831.23/103,277.46 = 42,999.45/x
  3. Step 3: Cross multiply
    74,831.23x = 103,277.46 × 42,999.45
  4. Step 4: Simplify right side
    74,831.23x = 4,440,873,977.40
  5. Step 5: Solve for x
    x = 4,440,873,977.40/74,831.23
  6. Step 6: Final answer
    x = 59,345.20

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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.