Home / 105,779.37-145,988.46-60,459.27

Finding the Fourth Proportional to 105,779.37, 145,988.46 and 60,459.27

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Solution

The fourth proportional to 105,779.37, 145,988.46 and 60,459.27 is: 83,441.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,779.37 : 145,988.46 = 60,459.27 : x
  2. Step 2: Convert to fraction form
    105,779.37/145,988.46 = 60,459.27/x
  3. Step 3: Cross multiply
    105,779.37x = 145,988.46 × 60,459.27
  4. Step 4: Simplify right side
    105,779.37x = 8,826,355,720.02
  5. Step 5: Solve for x
    x = 8,826,355,720.02/105,779.37
  6. Step 6: Final answer
    x = 83,441.18

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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.