Home / 89,106.48-122,966.93-48,821.77

Finding the Fourth Proportional to 89,106.48, 122,966.93 and 48,821.77

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Solution

The fourth proportional to 89,106.48, 122,966.93 and 48,821.77 is: 67,374.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,106.48 : 122,966.93 = 48,821.77 : x
  2. Step 2: Convert to fraction form
    89,106.48/122,966.93 = 48,821.77/x
  3. Step 3: Cross multiply
    89,106.48x = 122,966.93 × 48,821.77
  4. Step 4: Simplify right side
    89,106.48x = 6,003,463,174.07
  5. Step 5: Solve for x
    x = 6,003,463,174.07/89,106.48
  6. Step 6: Final answer
    x = 67,374.04

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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.