Home / 90,300.04-124,614.99-54,483.13

Finding the Fourth Proportional to 90,300.04, 124,614.99 and 54,483.13

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Solution

The fourth proportional to 90,300.04, 124,614.99 and 54,483.13 is: 75,187.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,300.04 : 124,614.99 = 54,483.13 : x
  2. Step 2: Convert to fraction form
    90,300.04/124,614.99 = 54,483.13/x
  3. Step 3: Cross multiply
    90,300.04x = 124,614.99 × 54,483.13
  4. Step 4: Simplify right side
    90,300.04x = 6,789,413,804.63
  5. Step 5: Solve for x
    x = 6,789,413,804.63/90,300.04
  6. Step 6: Final answer
    x = 75,187.28

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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.