Home / 74,342.42-112,070.71-69,393.27

Finding the Fourth Proportional to 74,342.42, 112,070.71 and 69,393.27

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Solution

The fourth proportional to 74,342.42, 112,070.71 and 69,393.27 is: 104,609.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,342.42 : 112,070.71 = 69,393.27 : x
  2. Step 2: Convert to fraction form
    74,342.42/112,070.71 = 69,393.27/x
  3. Step 3: Cross multiply
    74,342.42x = 112,070.71 × 69,393.27
  4. Step 4: Simplify right side
    74,342.42x = 7,776,953,545.13
  5. Step 5: Solve for x
    x = 7,776,953,545.13/74,342.42
  6. Step 6: Final answer
    x = 104,609.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.