Home / 99,050.90-136,689.44-53,728.77

Finding the Fourth Proportional to 99,050.90, 136,689.44 and 53,728.77

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Solution

The fourth proportional to 99,050.90, 136,689.44 and 53,728.77 is: 74,145.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,050.90 : 136,689.44 = 53,728.77 : x
  2. Step 2: Convert to fraction form
    99,050.90/136,689.44 = 53,728.77/x
  3. Step 3: Cross multiply
    99,050.90x = 136,689.44 × 53,728.77
  4. Step 4: Simplify right side
    99,050.90x = 7,344,155,483.19
  5. Step 5: Solve for x
    x = 7,344,155,483.19/99,050.90
  6. Step 6: Final answer
    x = 74,145.27

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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.