Home / 90,266.38-124,557.53-49,970.05

Finding the Fourth Proportional to 90,266.38, 124,557.53 and 49,970.05

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Solution

The fourth proportional to 90,266.38, 124,557.53 and 49,970.05 is: 68,953.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,266.38 : 124,557.53 = 49,970.05 : x
  2. Step 2: Convert to fraction form
    90,266.38/124,557.53 = 49,970.05/x
  3. Step 3: Cross multiply
    90,266.38x = 124,557.53 × 49,970.05
  4. Step 4: Simplify right side
    90,266.38x = 6,224,145,815.51
  5. Step 5: Solve for x
    x = 6,224,145,815.51/90,266.38
  6. Step 6: Final answer
    x = 68,953.09

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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.