Home / 105,634.74-145,779.94-60,320.10

Finding the Fourth Proportional to 105,634.74, 145,779.94 and 60,320.10

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Solution

The fourth proportional to 105,634.74, 145,779.94 and 60,320.10 is: 83,244.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,634.74 : 145,779.94 = 60,320.10 : x
  2. Step 2: Convert to fraction form
    105,634.74/145,779.94 = 60,320.10/x
  3. Step 3: Cross multiply
    105,634.74x = 145,779.94 × 60,320.10
  4. Step 4: Simplify right side
    105,634.74x = 8,793,460,558.79
  5. Step 5: Solve for x
    x = 8,793,460,558.79/105,634.74
  6. Step 6: Final answer
    x = 83,244.02

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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.