Home / 99,125.09-136,788.96-53,802.10

Finding the Fourth Proportional to 99,125.09, 136,788.96 and 53,802.10

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Solution

The fourth proportional to 99,125.09, 136,788.96 and 53,802.10 is: 74,244.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,125.09 : 136,788.96 = 53,802.10 : x
  2. Step 2: Convert to fraction form
    99,125.09/136,788.96 = 53,802.10/x
  3. Step 3: Cross multiply
    99,125.09x = 136,788.96 × 53,802.10
  4. Step 4: Simplify right side
    99,125.09x = 7,359,533,304.82
  5. Step 5: Solve for x
    x = 7,359,533,304.82/99,125.09
  6. Step 6: Final answer
    x = 74,244.91

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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.