Home / 90,206.07-124,486.40-58,430.27

Finding the Fourth Proportional to 90,206.07, 124,486.40 and 58,430.27

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Solution

The fourth proportional to 90,206.07, 124,486.40 and 58,430.27 is: 80,635.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,206.07 : 124,486.40 = 58,430.27 : x
  2. Step 2: Convert to fraction form
    90,206.07/124,486.40 = 58,430.27/x
  3. Step 3: Cross multiply
    90,206.07x = 124,486.40 × 58,430.27
  4. Step 4: Simplify right side
    90,206.07x = 7,273,774,420.62
  5. Step 5: Solve for x
    x = 7,273,774,420.62/90,206.07
  6. Step 6: Final answer
    x = 80,635.09

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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.