Home / 88,417.40-122,021.98-53,976.74

Finding the Fourth Proportional to 88,417.40, 122,021.98 and 53,976.74

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Solution

The fourth proportional to 88,417.40, 122,021.98 and 53,976.74 is: 74,491.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,417.40 : 122,021.98 = 53,976.74 : x
  2. Step 2: Convert to fraction form
    88,417.40/122,021.98 = 53,976.74/x
  3. Step 3: Cross multiply
    88,417.40x = 122,021.98 × 53,976.74
  4. Step 4: Simplify right side
    88,417.40x = 6,586,348,688.75
  5. Step 5: Solve for x
    x = 6,586,348,688.75/88,417.40
  6. Step 6: Final answer
    x = 74,491.54

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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.