Home / 90,831.40-125,327.46-53,088.36

Finding the Fourth Proportional to 90,831.40, 125,327.46 and 53,088.36

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Solution

The fourth proportional to 90,831.40, 125,327.46 and 53,088.36 is: 73,250.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,831.40 : 125,327.46 = 53,088.36 : x
  2. Step 2: Convert to fraction form
    90,831.40/125,327.46 = 53,088.36/x
  3. Step 3: Cross multiply
    90,831.40x = 125,327.46 × 53,088.36
  4. Step 4: Simplify right side
    90,831.40x = 6,653,429,314.37
  5. Step 5: Solve for x
    x = 6,653,429,314.37/90,831.40
  6. Step 6: Final answer
    x = 73,250.32

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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.