Home / 90,287.15-124,554.91-58,466.30

Finding the Fourth Proportional to 90,287.15, 124,554.91 and 58,466.30

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Solution

The fourth proportional to 90,287.15, 124,554.91 and 58,466.30 is: 80,656.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,287.15 : 124,554.91 = 58,466.30 : x
  2. Step 2: Convert to fraction form
    90,287.15/124,554.91 = 58,466.30/x
  3. Step 3: Cross multiply
    90,287.15x = 124,554.91 × 58,466.30
  4. Step 4: Simplify right side
    90,287.15x = 7,282,264,734.53
  5. Step 5: Solve for x
    x = 7,282,264,734.53/90,287.15
  6. Step 6: Final answer
    x = 80,656.71

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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.