Home / 99,016.04-136,650.77-54,312.68

Finding the Fourth Proportional to 99,016.04, 136,650.77 and 54,312.68

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Solution

The fourth proportional to 99,016.04, 136,650.77 and 54,312.68 is: 74,956.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,016.04 : 136,650.77 = 54,312.68 : x
  2. Step 2: Convert to fraction form
    99,016.04/136,650.77 = 54,312.68/x
  3. Step 3: Cross multiply
    99,016.04x = 136,650.77 × 54,312.68
  4. Step 4: Simplify right side
    99,016.04x = 7,421,868,587.95
  5. Step 5: Solve for x
    x = 7,421,868,587.95/99,016.04
  6. Step 6: Final answer
    x = 74,956.23

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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.