Home / 88,364.16-121,902.36-52,533.84

Finding the Fourth Proportional to 88,364.16, 121,902.36 and 52,533.84

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Solution

The fourth proportional to 88,364.16, 121,902.36 and 52,533.84 is: 72,472.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,364.16 : 121,902.36 = 52,533.84 : x
  2. Step 2: Convert to fraction form
    88,364.16/121,902.36 = 52,533.84/x
  3. Step 3: Cross multiply
    88,364.16x = 121,902.36 × 52,533.84
  4. Step 4: Simplify right side
    88,364.16x = 6,403,999,075.86
  5. Step 5: Solve for x
    x = 6,403,999,075.86/88,364.16
  6. Step 6: Final answer
    x = 72,472.81

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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.