Home / 98,824.12-136,378.35-53,503.05

Finding the Fourth Proportional to 98,824.12, 136,378.35 and 53,503.05

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Solution

The fourth proportional to 98,824.12, 136,378.35 and 53,503.05 is: 73,834.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,824.12 : 136,378.35 = 53,503.05 : x
  2. Step 2: Convert to fraction form
    98,824.12/136,378.35 = 53,503.05/x
  3. Step 3: Cross multiply
    98,824.12x = 136,378.35 × 53,503.05
  4. Step 4: Simplify right side
    98,824.12x = 7,296,657,423.26
  5. Step 5: Solve for x
    x = 7,296,657,423.26/98,824.12
  6. Step 6: Final answer
    x = 73,834.78

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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.