Home / 90,277.60-124,572.36-55,816.96

Finding the Fourth Proportional to 90,277.60, 124,572.36 and 55,816.96

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Solution

The fourth proportional to 90,277.60, 124,572.36 and 55,816.96 is: 77,020.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,277.60 : 124,572.36 = 55,816.96 : x
  2. Step 2: Convert to fraction form
    90,277.60/124,572.36 = 55,816.96/x
  3. Step 3: Cross multiply
    90,277.60x = 124,572.36 × 55,816.96
  4. Step 4: Simplify right side
    90,277.60x = 6,953,250,435.23
  5. Step 5: Solve for x
    x = 6,953,250,435.23/90,277.60
  6. Step 6: Final answer
    x = 77,020.77

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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.