Home / 90,293.82-124,543.56-61,950.30

Finding the Fourth Proportional to 90,293.82, 124,543.56 and 61,950.30

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Solution

The fourth proportional to 90,293.82, 124,543.56 and 61,950.30 is: 85,448.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,293.82 : 124,543.56 = 61,950.30 : x
  2. Step 2: Convert to fraction form
    90,293.82/124,543.56 = 61,950.30/x
  3. Step 3: Cross multiply
    90,293.82x = 124,543.56 × 61,950.30
  4. Step 4: Simplify right side
    90,293.82x = 7,715,510,905.07
  5. Step 5: Solve for x
    x = 7,715,510,905.07/90,293.82
  6. Step 6: Final answer
    x = 85,448.94

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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.