Home / 97,813.36-134,981.40-53,101.36

Finding the Fourth Proportional to 97,813.36, 134,981.40 and 53,101.36

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Solution

The fourth proportional to 97,813.36, 134,981.40 and 53,101.36 is: 73,279.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,813.36 : 134,981.40 = 53,101.36 : x
  2. Step 2: Convert to fraction form
    97,813.36/134,981.40 = 53,101.36/x
  3. Step 3: Cross multiply
    97,813.36x = 134,981.40 × 53,101.36
  4. Step 4: Simplify right side
    97,813.36x = 7,167,695,914.70
  5. Step 5: Solve for x
    x = 7,167,695,914.70/97,813.36
  6. Step 6: Final answer
    x = 73,279.31

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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.