Home / 90,535.61-124,954.61-52,288.29

Finding the Fourth Proportional to 90,535.61, 124,954.61 and 52,288.29

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Solution

The fourth proportional to 90,535.61, 124,954.61 and 52,288.29 is: 72,166.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,535.61 : 124,954.61 = 52,288.29 : x
  2. Step 2: Convert to fraction form
    90,535.61/124,954.61 = 52,288.29/x
  3. Step 3: Cross multiply
    90,535.61x = 124,954.61 × 52,288.29
  4. Step 4: Simplify right side
    90,535.61x = 6,533,663,015.24
  5. Step 5: Solve for x
    x = 6,533,663,015.24/90,535.61
  6. Step 6: Final answer
    x = 72,166.77

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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.