Home / 88,787.49-122,526-48,501.27

Finding the Fourth Proportional to 88,787.49, 122,526 and 48,501.27

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Solution

The fourth proportional to 88,787.49, 122,526 and 48,501.27 is: 66,931.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,787.49 : 122,526 = 48,501.27 : x
  2. Step 2: Convert to fraction form
    88,787.49/122,526 = 48,501.27/x
  3. Step 3: Cross multiply
    88,787.49x = 122,526 × 48,501.27
  4. Step 4: Simplify right side
    88,787.49x = 5,942,666,608.02
  5. Step 5: Solve for x
    x = 5,942,666,608.02/88,787.49
  6. Step 6: Final answer
    x = 66,931.35

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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.