Home / 104,779.68-157,033.44-42,416.16

Finding the Fourth Proportional to 104,779.68, 157,033.44 and 42,416.16

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Solution

The fourth proportional to 104,779.68, 157,033.44 and 42,416.16 is: 63,569.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,779.68 : 157,033.44 = 42,416.16 : x
  2. Step 2: Convert to fraction form
    104,779.68/157,033.44 = 42,416.16/x
  3. Step 3: Cross multiply
    104,779.68x = 157,033.44 × 42,416.16
  4. Step 4: Simplify right side
    104,779.68x = 6,660,755,516.39
  5. Step 5: Solve for x
    x = 6,660,755,516.39/104,779.68
  6. Step 6: Final answer
    x = 63,569.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.