Home / 99,281.36-148,925.88-29,159.12

Finding the Fourth Proportional to 99,281.36, 148,925.88 and 29,159.12

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Solution

The fourth proportional to 99,281.36, 148,925.88 and 29,159.12 is: 43,739.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,281.36 : 148,925.88 = 29,159.12 : x
  2. Step 2: Convert to fraction form
    99,281.36/148,925.88 = 29,159.12/x
  3. Step 3: Cross multiply
    99,281.36x = 148,925.88 × 29,159.12
  4. Step 4: Simplify right side
    99,281.36x = 4,342,547,606.03
  5. Step 5: Solve for x
    x = 4,342,547,606.03/99,281.36
  6. Step 6: Final answer
    x = 43,739.81

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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.