Home / 98,779.85-136,316.19-53,457.83

Finding the Fourth Proportional to 98,779.85, 136,316.19 and 53,457.83

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Solution

The fourth proportional to 98,779.85, 136,316.19 and 53,457.83 is: 73,771.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,779.85 : 136,316.19 = 53,457.83 : x
  2. Step 2: Convert to fraction form
    98,779.85/136,316.19 = 53,457.83/x
  3. Step 3: Cross multiply
    98,779.85x = 136,316.19 × 53,457.83
  4. Step 4: Simplify right side
    98,779.85x = 7,287,168,052.06
  5. Step 5: Solve for x
    x = 7,287,168,052.06/98,779.85
  6. Step 6: Final answer
    x = 73,771.81

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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.