Home / 124,367.68-171,626.64-67,779.04

Finding the Fourth Proportional to 124,367.68, 171,626.64 and 67,779.04

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Solution

The fourth proportional to 124,367.68, 171,626.64 and 67,779.04 is: 93,534.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,367.68 : 171,626.64 = 67,779.04 : x
  2. Step 2: Convert to fraction form
    124,367.68/171,626.64 = 67,779.04/x
  3. Step 3: Cross multiply
    124,367.68x = 171,626.64 × 67,779.04
  4. Step 4: Simplify right side
    124,367.68x = 11,632,688,897.63
  5. Step 5: Solve for x
    x = 11,632,688,897.63/124,367.68
  6. Step 6: Final answer
    x = 93,534.66

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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.