Home / 125,742.84-173,475.88-71,998.93

Finding the Fourth Proportional to 125,742.84, 173,475.88 and 71,998.93

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Solution

The fourth proportional to 125,742.84, 173,475.88 and 71,998.93 is: 99,330.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,742.84 : 173,475.88 = 71,998.93 : x
  2. Step 2: Convert to fraction form
    125,742.84/173,475.88 = 71,998.93/x
  3. Step 3: Cross multiply
    125,742.84x = 173,475.88 × 71,998.93
  4. Step 4: Simplify right side
    125,742.84x = 12,490,077,740.81
  5. Step 5: Solve for x
    x = 12,490,077,740.81/125,742.84
  6. Step 6: Final answer
    x = 99,330.33

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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.