Home / 89,047.04-122,877.60-51,323.84

Finding the Fourth Proportional to 89,047.04, 122,877.60 and 51,323.84

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Solution

The fourth proportional to 89,047.04, 122,877.60 and 51,323.84 is: 70,822.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,047.04 : 122,877.60 = 51,323.84 : x
  2. Step 2: Convert to fraction form
    89,047.04/122,877.60 = 51,323.84/x
  3. Step 3: Cross multiply
    89,047.04x = 122,877.60 × 51,323.84
  4. Step 4: Simplify right side
    89,047.04x = 6,306,550,281.98
  5. Step 5: Solve for x
    x = 6,306,550,281.98/89,047.04
  6. Step 6: Final answer
    x = 70,822.68

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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.