Home / 90,237.48-124,486.40-58,416.64

Finding the Fourth Proportional to 90,237.48, 124,486.40 and 58,416.64

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Solution

The fourth proportional to 90,237.48, 124,486.40 and 58,416.64 is: 80,588.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,237.48 : 124,486.40 = 58,416.64 : x
  2. Step 2: Convert to fraction form
    90,237.48/124,486.40 = 58,416.64/x
  3. Step 3: Cross multiply
    90,237.48x = 124,486.40 × 58,416.64
  4. Step 4: Simplify right side
    90,237.48x = 7,272,077,213.70
  5. Step 5: Solve for x
    x = 7,272,077,213.70/90,237.48
  6. Step 6: Final answer
    x = 80,588.21

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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.