Home / 74,500.46-102,840.42-45,831.74

Finding the Fourth Proportional to 74,500.46, 102,840.42 and 45,831.74

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Solution

The fourth proportional to 74,500.46, 102,840.42 and 45,831.74 is: 63,266.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,500.46 : 102,840.42 = 45,831.74 : x
  2. Step 2: Convert to fraction form
    74,500.46/102,840.42 = 45,831.74/x
  3. Step 3: Cross multiply
    74,500.46x = 102,840.42 × 45,831.74
  4. Step 4: Simplify right side
    74,500.46x = 4,713,355,090.51
  5. Step 5: Solve for x
    x = 4,713,355,090.51/74,500.46
  6. Step 6: Final answer
    x = 63,266.12

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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.