Home / 99,005.16-136,627.30-54,293.48

Finding the Fourth Proportional to 99,005.16, 136,627.30 and 54,293.48

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Solution

The fourth proportional to 99,005.16, 136,627.30 and 54,293.48 is: 74,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,005.16 : 136,627.30 = 54,293.48 : x
  2. Step 2: Convert to fraction form
    99,005.16/136,627.30 = 54,293.48/x
  3. Step 3: Cross multiply
    99,005.16x = 136,627.30 × 54,293.48
  4. Step 4: Simplify right side
    99,005.16x = 7,417,971,580.00
  5. Step 5: Solve for x
    x = 7,417,971,580.00/99,005.16
  6. Step 6: Final answer
    x = 74,925.10

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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.