Home / 75,269.52-103,901.16-56,461.36

Finding the Fourth Proportional to 75,269.52, 103,901.16 and 56,461.36

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Solution

The fourth proportional to 75,269.52, 103,901.16 and 56,461.36 is: 77,938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,269.52 : 103,901.16 = 56,461.36 : x
  2. Step 2: Convert to fraction form
    75,269.52/103,901.16 = 56,461.36/x
  3. Step 3: Cross multiply
    75,269.52x = 103,901.16 × 56,461.36
  4. Step 4: Simplify right side
    75,269.52x = 5,866,400,799.18
  5. Step 5: Solve for x
    x = 5,866,400,799.18/75,269.52
  6. Step 6: Final answer
    x = 77,938.60

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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.