Home / 99,055.98-148,582.35-39,890.16

Finding the Fourth Proportional to 99,055.98, 148,582.35 and 39,890.16

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Solution

The fourth proportional to 99,055.98, 148,582.35 and 39,890.16 is: 59,834.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,055.98 : 148,582.35 = 39,890.16 : x
  2. Step 2: Convert to fraction form
    99,055.98/148,582.35 = 39,890.16/x
  3. Step 3: Cross multiply
    99,055.98x = 148,582.35 × 39,890.16
  4. Step 4: Simplify right side
    99,055.98x = 5,926,973,714.68
  5. Step 5: Solve for x
    x = 5,926,973,714.68/99,055.98
  6. Step 6: Final answer
    x = 59,834.59

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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.