Home / 127,416.51-175,831.05-70,055.77

Finding the Fourth Proportional to 127,416.51, 175,831.05 and 70,055.77

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Solution

The fourth proportional to 127,416.51, 175,831.05 and 70,055.77 is: 96,674.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,416.51 : 175,831.05 = 70,055.77 : x
  2. Step 2: Convert to fraction form
    127,416.51/175,831.05 = 70,055.77/x
  3. Step 3: Cross multiply
    127,416.51x = 175,831.05 × 70,055.77
  4. Step 4: Simplify right side
    127,416.51x = 12,317,979,750.47
  5. Step 5: Solve for x
    x = 12,317,979,750.47/127,416.51
  6. Step 6: Final answer
    x = 96,674.91

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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.