Home / 98,815.49-136,364.45-53,492.32

Finding the Fourth Proportional to 98,815.49, 136,364.45 and 53,492.32

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Solution

The fourth proportional to 98,815.49, 136,364.45 and 53,492.32 is: 73,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,815.49 : 136,364.45 = 53,492.32 : x
  2. Step 2: Convert to fraction form
    98,815.49/136,364.45 = 53,492.32/x
  3. Step 3: Cross multiply
    98,815.49x = 136,364.45 × 53,492.32
  4. Step 4: Simplify right side
    98,815.49x = 7,294,449,846.74
  5. Step 5: Solve for x
    x = 7,294,449,846.74/98,815.49
  6. Step 6: Final answer
    x = 73,818.89

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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.