Home / 97,320.45-134,302.01-54,878.69

Finding the Fourth Proportional to 97,320.45, 134,302.01 and 54,878.69

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Solution

The fourth proportional to 97,320.45, 134,302.01 and 54,878.69 is: 75,732.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,320.45 : 134,302.01 = 54,878.69 : x
  2. Step 2: Convert to fraction form
    97,320.45/134,302.01 = 54,878.69/x
  3. Step 3: Cross multiply
    97,320.45x = 134,302.01 × 54,878.69
  4. Step 4: Simplify right side
    97,320.45x = 7,370,317,427.26
  5. Step 5: Solve for x
    x = 7,370,317,427.26/97,320.45
  6. Step 6: Final answer
    x = 75,732.46

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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.