Home / 87,994.99-121,533.32-59,651.47

Finding the Fourth Proportional to 87,994.99, 121,533.32 and 59,651.47

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Solution

The fourth proportional to 87,994.99, 121,533.32 and 59,651.47 is: 82,386.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,994.99 : 121,533.32 = 59,651.47 : x
  2. Step 2: Convert to fraction form
    87,994.99/121,533.32 = 59,651.47/x
  3. Step 3: Cross multiply
    87,994.99x = 121,533.32 × 59,651.47
  4. Step 4: Simplify right side
    87,994.99x = 7,249,641,191.98
  5. Step 5: Solve for x
    x = 7,249,641,191.98/87,994.99
  6. Step 6: Final answer
    x = 82,386.98

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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.