Home / 99,055.04-136,695.20-53,733.12

Finding the Fourth Proportional to 99,055.04, 136,695.20 and 53,733.12

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Solution

The fourth proportional to 99,055.04, 136,695.20 and 53,733.12 is: 74,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,055.04 : 136,695.20 = 53,733.12 : x
  2. Step 2: Convert to fraction form
    99,055.04/136,695.20 = 53,733.12/x
  3. Step 3: Cross multiply
    99,055.04x = 136,695.20 × 53,733.12
  4. Step 4: Simplify right side
    99,055.04x = 7,345,059,585.02
  5. Step 5: Solve for x
    x = 7,345,059,585.02/99,055.04
  6. Step 6: Final answer
    x = 74,151.30

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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.