Home / 61,123.36-91,685.12-16,750.50

Finding the Fourth Proportional to 61,123.36, 91,685.12 and 16,750.50

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Solution

The fourth proportional to 61,123.36, 91,685.12 and 16,750.50 is: 25,125.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,123.36 : 91,685.12 = 16,750.50 : x
  2. Step 2: Convert to fraction form
    61,123.36/91,685.12 = 16,750.50/x
  3. Step 3: Cross multiply
    61,123.36x = 91,685.12 × 16,750.50
  4. Step 4: Simplify right side
    61,123.36x = 1,535,771,602.56
  5. Step 5: Solve for x
    x = 1,535,771,602.56/61,123.36
  6. Step 6: Final answer
    x = 25,125.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.