Home / 88,260.95-121,831.34-52,450.53

Finding the Fourth Proportional to 88,260.95, 121,831.34 and 52,450.53

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Solution

The fourth proportional to 88,260.95, 121,831.34 and 52,450.53 is: 72,400.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,260.95 : 121,831.34 = 52,450.53 : x
  2. Step 2: Convert to fraction form
    88,260.95/121,831.34 = 52,450.53/x
  3. Step 3: Cross multiply
    88,260.95x = 121,831.34 × 52,450.53
  4. Step 4: Simplify right side
    88,260.95x = 6,390,118,353.61
  5. Step 5: Solve for x
    x = 6,390,118,353.61/88,260.95
  6. Step 6: Final answer
    x = 72,400.29

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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.