Home / 90,497.04-124,890.84-58,693.20

Finding the Fourth Proportional to 90,497.04, 124,890.84 and 58,693.20

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Solution

The fourth proportional to 90,497.04, 124,890.84 and 58,693.20 is: 80,999.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,497.04 : 124,890.84 = 58,693.20 : x
  2. Step 2: Convert to fraction form
    90,497.04/124,890.84 = 58,693.20/x
  3. Step 3: Cross multiply
    90,497.04x = 124,890.84 × 58,693.20
  4. Step 4: Simplify right side
    90,497.04x = 7,330,243,050.29
  5. Step 5: Solve for x
    x = 7,330,243,050.29/90,497.04
  6. Step 6: Final answer
    x = 80,999.81

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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.